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Finding the Fourth Proportional to 710,523.90, 981,177.80 and 456,317.96

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Solution

The fourth proportional to 710,523.90, 981,177.80 and 456,317.96 is: 630,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,523.90 : 981,177.80 = 456,317.96 : x
  2. Step 2: Convert to fraction form
    710,523.90/981,177.80 = 456,317.96/x
  3. Step 3: Cross multiply
    710,523.90x = 981,177.80 × 456,317.96
  4. Step 4: Simplify right side
    710,523.90x = 447,729,044,905.81
  5. Step 5: Solve for x
    x = 447,729,044,905.81/710,523.90
  6. Step 6: Final answer
    x = 630,139.32

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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.