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Finding the Fourth Proportional to 710,491.07, 981,132.46 and 456,285.12

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Solution

The fourth proportional to 710,491.07, 981,132.46 and 456,285.12 is: 630,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,491.07 : 981,132.46 = 456,285.12 : x
  2. Step 2: Convert to fraction form
    710,491.07/981,132.46 = 456,285.12/x
  3. Step 3: Cross multiply
    710,491.07x = 981,132.46 × 456,285.12
  4. Step 4: Simplify right side
    710,491.07x = 447,676,141,106.28
  5. Step 5: Solve for x
    x = 447,676,141,106.28/710,491.07
  6. Step 6: Final answer
    x = 630,093.98

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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.