Home / 987,038.16-1,480,557.03-538,136.58

Finding the Fourth Proportional to 987,038.16, 1,480,557.03 and 538,136.58

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Solution

The fourth proportional to 987,038.16, 1,480,557.03 and 538,136.58 is: 807,204.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,038.16 : 1,480,557.03 = 538,136.58 : x
  2. Step 2: Convert to fraction form
    987,038.16/1,480,557.03 = 538,136.58/x
  3. Step 3: Cross multiply
    987,038.16x = 1,480,557.03 × 538,136.58
  4. Step 4: Simplify right side
    987,038.16x = 796,741,896,619.16
  5. Step 5: Solve for x
    x = 796,741,896,619.16/987,038.16
  6. Step 6: Final answer
    x = 807,204.76

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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.