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Finding the Fourth Proportional to 651,780.74, 898,515.48 and 457,597.28

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Solution

The fourth proportional to 651,780.74, 898,515.48 and 457,597.28 is: 630,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,780.74 : 898,515.48 = 457,597.28 : x
  2. Step 2: Convert to fraction form
    651,780.74/898,515.48 = 457,597.28/x
  3. Step 3: Cross multiply
    651,780.74x = 898,515.48 × 457,597.28
  4. Step 4: Simplify right side
    651,780.74x = 411,158,239,685.89
  5. Step 5: Solve for x
    x = 411,158,239,685.89/651,780.74
  6. Step 6: Final answer
    x = 630,822.94

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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.