Home / 906,809.40-1,360,214.10-766,841.40

Finding the Fourth Proportional to 906,809.40, 1,360,214.10 and 766,841.40

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Solution

The fourth proportional to 906,809.40, 1,360,214.10 and 766,841.40 is: 1,150,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,809.40 : 1,360,214.10 = 766,841.40 : x
  2. Step 2: Convert to fraction form
    906,809.40/1,360,214.10 = 766,841.40/x
  3. Step 3: Cross multiply
    906,809.40x = 1,360,214.10 × 766,841.40
  4. Step 4: Simplify right side
    906,809.40x = 1,043,068,484,743.74
  5. Step 5: Solve for x
    x = 1,043,068,484,743.74/906,809.40
  6. Step 6: Final answer
    x = 1,150,262.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.