Home / 465,784.90-697,365.15-418,545.70

Finding the Fourth Proportional to 465,784.90, 697,365.15 and 418,545.70

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Solution

The fourth proportional to 465,784.90, 697,365.15 and 418,545.70 is: 626,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,784.90 : 697,365.15 = 418,545.70 : x
  2. Step 2: Convert to fraction form
    465,784.90/697,365.15 = 418,545.70/x
  3. Step 3: Cross multiply
    465,784.90x = 697,365.15 × 418,545.70
  4. Step 4: Simplify right side
    465,784.90x = 291,879,184,862.36
  5. Step 5: Solve for x
    x = 291,879,184,862.36/465,784.90
  6. Step 6: Final answer
    x = 626,639.43

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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.