Home / 862,293.29-1,190,001.51-480,320.24

Finding the Fourth Proportional to 862,293.29, 1,190,001.51 and 480,320.24

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Solution

The fourth proportional to 862,293.29, 1,190,001.51 and 480,320.24 is: 662,862.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,293.29 : 1,190,001.51 = 480,320.24 : x
  2. Step 2: Convert to fraction form
    862,293.29/1,190,001.51 = 480,320.24/x
  3. Step 3: Cross multiply
    862,293.29x = 1,190,001.51 × 480,320.24
  4. Step 4: Simplify right side
    862,293.29x = 571,581,804,933.56
  5. Step 5: Solve for x
    x = 571,581,804,933.56/862,293.29
  6. Step 6: Final answer
    x = 662,862.41

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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.