Home / 987,239.36-1,480,854.18-239,285.36

Finding the Fourth Proportional to 987,239.36, 1,480,854.18 and 239,285.36

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Solution

The fourth proportional to 987,239.36, 1,480,854.18 and 239,285.36 is: 358,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,239.36 : 1,480,854.18 = 239,285.36 : x
  2. Step 2: Convert to fraction form
    987,239.36/1,480,854.18 = 239,285.36/x
  3. Step 3: Cross multiply
    987,239.36x = 1,480,854.18 × 239,285.36
  4. Step 4: Simplify right side
    987,239.36x = 354,346,725,568.81
  5. Step 5: Solve for x
    x = 354,346,725,568.81/987,239.36
  6. Step 6: Final answer
    x = 358,926.86

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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.