Home / 804,929.45-1,207,394.18-431,681.45

Finding the Fourth Proportional to 804,929.45, 1,207,394.18 and 431,681.45

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Solution

The fourth proportional to 804,929.45, 1,207,394.18 and 431,681.45 is: 647,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,929.45 : 1,207,394.18 = 431,681.45 : x
  2. Step 2: Convert to fraction form
    804,929.45/1,207,394.18 = 431,681.45/x
  3. Step 3: Cross multiply
    804,929.45x = 1,207,394.18 × 431,681.45
  4. Step 4: Simplify right side
    804,929.45x = 521,209,670,343.96
  5. Step 5: Solve for x
    x = 521,209,670,343.96/804,929.45
  6. Step 6: Final answer
    x = 647,522.18

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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.