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Finding the Fourth Proportional to 607,778.40, 910,355.40 and 502,802.40

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Solution

The fourth proportional to 607,778.40, 910,355.40 and 502,802.40 is: 753,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,778.40 : 910,355.40 = 502,802.40 : x
  2. Step 2: Convert to fraction form
    607,778.40/910,355.40 = 502,802.40/x
  3. Step 3: Cross multiply
    607,778.40x = 910,355.40 × 502,802.40
  4. Step 4: Simplify right side
    607,778.40x = 457,728,879,972.96
  5. Step 5: Solve for x
    x = 457,728,879,972.96/607,778.40
  6. Step 6: Final answer
    x = 753,118.04

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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.