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Finding the Fourth Proportional to 712,752.65, 983,598.60 and 426,272.72

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Solution

The fourth proportional to 712,752.65, 983,598.60 and 426,272.72 is: 588,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,752.65 : 983,598.60 = 426,272.72 : x
  2. Step 2: Convert to fraction form
    712,752.65/983,598.60 = 426,272.72/x
  3. Step 3: Cross multiply
    712,752.65x = 983,598.60 × 426,272.72
  4. Step 4: Simplify right side
    712,752.65x = 419,281,250,937.83
  5. Step 5: Solve for x
    x = 419,281,250,937.83/712,752.65
  6. Step 6: Final answer
    x = 588,256.32

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1.5x scale

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.