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Finding the Fourth Proportional to 710,829.19, 981,602.72 and 456,626.89

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Solution

The fourth proportional to 710,829.19, 981,602.72 and 456,626.89 is: 630,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,829.19 : 981,602.72 = 456,626.89 : x
  2. Step 2: Convert to fraction form
    710,829.19/981,602.72 = 456,626.89/x
  3. Step 3: Cross multiply
    710,829.19x = 981,602.72 × 456,626.89
  4. Step 4: Simplify right side
    710,829.19x = 448,226,197,249.14
  5. Step 5: Solve for x
    x = 448,226,197,249.14/710,829.19
  6. Step 6: Final answer
    x = 630,568.08

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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.