Home / 725,125.80-1,000,833.66-402,946.68

Finding the Fourth Proportional to 725,125.80, 1,000,833.66 and 402,946.68

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Solution

The fourth proportional to 725,125.80, 1,000,833.66 and 402,946.68 is: 556,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,125.80 : 1,000,833.66 = 402,946.68 : x
  2. Step 2: Convert to fraction form
    725,125.80/1,000,833.66 = 402,946.68/x
  3. Step 3: Cross multiply
    725,125.80x = 1,000,833.66 × 402,946.68
  4. Step 4: Simplify right side
    725,125.80x = 403,282,600,529.25
  5. Step 5: Solve for x
    x = 403,282,600,529.25/725,125.80
  6. Step 6: Final answer
    x = 556,155.36

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Double scale
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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.