Home / 385,246.20-577,869.30-338,590.20

Finding the Fourth Proportional to 385,246.20, 577,869.30 and 338,590.20

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Solution

The fourth proportional to 385,246.20, 577,869.30 and 338,590.20 is: 507,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,246.20 : 577,869.30 = 338,590.20 : x
  2. Step 2: Convert to fraction form
    385,246.20/577,869.30 = 338,590.20/x
  3. Step 3: Cross multiply
    385,246.20x = 577,869.30 × 338,590.20
  4. Step 4: Simplify right side
    385,246.20x = 195,660,881,860.86
  5. Step 5: Solve for x
    x = 195,660,881,860.86/385,246.20
  6. Step 6: Final answer
    x = 507,885.30

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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.