Home / 750,318.78-1,035,442.95-410,818.62

Finding the Fourth Proportional to 750,318.78, 1,035,442.95 and 410,818.62

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Solution

The fourth proportional to 750,318.78, 1,035,442.95 and 410,818.62 is: 566,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,318.78 : 1,035,442.95 = 410,818.62 : x
  2. Step 2: Convert to fraction form
    750,318.78/1,035,442.95 = 410,818.62/x
  3. Step 3: Cross multiply
    750,318.78x = 1,035,442.95 × 410,818.62
  4. Step 4: Simplify right side
    750,318.78x = 425,379,243,807.73
  5. Step 5: Solve for x
    x = 425,379,243,807.73/750,318.78
  6. Step 6: Final answer
    x = 566,931.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.