Home / 906,765.40-1,358,981.70-551,402.20

Finding the Fourth Proportional to 906,765.40, 1,358,981.70 and 551,402.20

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Solution

The fourth proportional to 906,765.40, 1,358,981.70 and 551,402.20 is: 826,394.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,765.40 : 1,358,981.70 = 551,402.20 : x
  2. Step 2: Convert to fraction form
    906,765.40/1,358,981.70 = 551,402.20/x
  3. Step 3: Cross multiply
    906,765.40x = 1,358,981.70 × 551,402.20
  4. Step 4: Simplify right side
    906,765.40x = 749,345,499,139.74
  5. Step 5: Solve for x
    x = 749,345,499,139.74/906,765.40
  6. Step 6: Final answer
    x = 826,394.01

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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.