Home / 710,545.21-1,065,822.43-284,116.86

Finding the Fourth Proportional to 710,545.21, 1,065,822.43 and 284,116.86

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Solution

The fourth proportional to 710,545.21, 1,065,822.43 and 284,116.86 is: 426,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,545.21 : 1,065,822.43 = 284,116.86 : x
  2. Step 2: Convert to fraction form
    710,545.21/1,065,822.43 = 284,116.86/x
  3. Step 3: Cross multiply
    710,545.21x = 1,065,822.43 × 284,116.86
  4. Step 4: Simplify right side
    710,545.21x = 302,818,125,573.35
  5. Step 5: Solve for x
    x = 302,818,125,573.35/710,545.21
  6. Step 6: Final answer
    x = 426,177.14

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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.