Home / 906,528.47-1,250,982.81-498,630.20

Finding the Fourth Proportional to 906,528.47, 1,250,982.81 and 498,630.20

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Solution

The fourth proportional to 906,528.47, 1,250,982.81 and 498,630.20 is: 688,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,528.47 : 1,250,982.81 = 498,630.20 : x
  2. Step 2: Convert to fraction form
    906,528.47/1,250,982.81 = 498,630.20/x
  3. Step 3: Cross multiply
    906,528.47x = 1,250,982.81 × 498,630.20
  4. Step 4: Simplify right side
    906,528.47x = 623,777,802,491.95
  5. Step 5: Solve for x
    x = 623,777,802,491.95/906,528.47
  6. Step 6: Final answer
    x = 688,095.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.