Home / 972,002.60-1,457,312.70-372,732.20

Finding the Fourth Proportional to 972,002.60, 1,457,312.70 and 372,732.20

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Solution

The fourth proportional to 972,002.60, 1,457,312.70 and 372,732.20 is: 558,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,002.60 : 1,457,312.70 = 372,732.20 : x
  2. Step 2: Convert to fraction form
    972,002.60/1,457,312.70 = 372,732.20/x
  3. Step 3: Cross multiply
    972,002.60x = 1,457,312.70 × 372,732.20
  4. Step 4: Simplify right side
    972,002.60x = 543,187,368,758.94
  5. Step 5: Solve for x
    x = 543,187,368,758.94/972,002.60
  6. Step 6: Final answer
    x = 558,833.25

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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.