Home / 766,289.91-1,057,353.39-464,483.91

Finding the Fourth Proportional to 766,289.91, 1,057,353.39 and 464,483.91

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Solution

The fourth proportional to 766,289.91, 1,057,353.39 and 464,483.91 is: 640,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,289.91 : 1,057,353.39 = 464,483.91 : x
  2. Step 2: Convert to fraction form
    766,289.91/1,057,353.39 = 464,483.91/x
  3. Step 3: Cross multiply
    766,289.91x = 1,057,353.39 × 464,483.91
  4. Step 4: Simplify right side
    766,289.91x = 491,123,636,838.96
  5. Step 5: Solve for x
    x = 491,123,636,838.96/766,289.91
  6. Step 6: Final answer
    x = 640,911.01

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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.