Home / 922,306.50-1,272,782.97-519,898.50

Finding the Fourth Proportional to 922,306.50, 1,272,782.97 and 519,898.50

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Solution

The fourth proportional to 922,306.50, 1,272,782.97 and 519,898.50 is: 717,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,306.50 : 1,272,782.97 = 519,898.50 : x
  2. Step 2: Convert to fraction form
    922,306.50/1,272,782.97 = 519,898.50/x
  3. Step 3: Cross multiply
    922,306.50x = 1,272,782.97 × 519,898.50
  4. Step 4: Simplify right side
    922,306.50x = 661,717,956,928.55
  5. Step 5: Solve for x
    x = 661,717,956,928.55/922,306.50
  6. Step 6: Final answer
    x = 717,459.93

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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.