Home / 924,400.20-1,386,600.30-607,139.40

Finding the Fourth Proportional to 924,400.20, 1,386,600.30 and 607,139.40

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Solution

The fourth proportional to 924,400.20, 1,386,600.30 and 607,139.40 is: 910,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,400.20 : 1,386,600.30 = 607,139.40 : x
  2. Step 2: Convert to fraction form
    924,400.20/1,386,600.30 = 607,139.40/x
  3. Step 3: Cross multiply
    924,400.20x = 1,386,600.30 × 607,139.40
  4. Step 4: Simplify right side
    924,400.20x = 841,859,674,181.82
  5. Step 5: Solve for x
    x = 841,859,674,181.82/924,400.20
  6. Step 6: Final answer
    x = 910,709.10

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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.