Home / 648,869.54-973,304.10-472,498.92

Finding the Fourth Proportional to 648,869.54, 973,304.10 and 472,498.92

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Solution

The fourth proportional to 648,869.54, 973,304.10 and 472,498.92 is: 708,748.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,869.54 : 973,304.10 = 472,498.92 : x
  2. Step 2: Convert to fraction form
    648,869.54/973,304.10 = 472,498.92/x
  3. Step 3: Cross multiply
    648,869.54x = 973,304.10 × 472,498.92
  4. Step 4: Simplify right side
    648,869.54x = 459,885,136,081.57
  5. Step 5: Solve for x
    x = 459,885,136,081.57/648,869.54
  6. Step 6: Final answer
    x = 708,748.23

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Double scale
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Similar ratio
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1.5x scale

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.