Home / 755,358.30-1,134,349.65-401,064.30

Finding the Fourth Proportional to 755,358.30, 1,134,349.65 and 401,064.30

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Solution

The fourth proportional to 755,358.30, 1,134,349.65 and 401,064.30 is: 602,293.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,358.30 : 1,134,349.65 = 401,064.30 : x
  2. Step 2: Convert to fraction form
    755,358.30/1,134,349.65 = 401,064.30/x
  3. Step 3: Cross multiply
    755,358.30x = 1,134,349.65 × 401,064.30
  4. Step 4: Simplify right side
    755,358.30x = 454,947,148,332.50
  5. Step 5: Solve for x
    x = 454,947,148,332.50/755,358.30
  6. Step 6: Final answer
    x = 602,293.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.