Home / 987,610.32-1,482,038.22-388,493.62

Finding the Fourth Proportional to 987,610.32, 1,482,038.22 and 388,493.62

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Solution

The fourth proportional to 987,610.32, 1,482,038.22 and 388,493.62 is: 582,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,610.32 : 1,482,038.22 = 388,493.62 : x
  2. Step 2: Convert to fraction form
    987,610.32/1,482,038.22 = 388,493.62/x
  3. Step 3: Cross multiply
    987,610.32x = 1,482,038.22 × 388,493.62
  4. Step 4: Simplify right side
    987,610.32x = 575,762,393,066.16
  5. Step 5: Solve for x
    x = 575,762,393,066.16/987,610.32
  6. Step 6: Final answer
    x = 582,985.40

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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.