Home / 972,280.67-1,342,251.25-710,341.84

Finding the Fourth Proportional to 972,280.67, 1,342,251.25 and 710,341.84

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Solution

The fourth proportional to 972,280.67, 1,342,251.25 and 710,341.84 is: 980,639.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,280.67 : 1,342,251.25 = 710,341.84 : x
  2. Step 2: Convert to fraction form
    972,280.67/1,342,251.25 = 710,341.84/x
  3. Step 3: Cross multiply
    972,280.67x = 1,342,251.25 × 710,341.84
  4. Step 4: Simplify right side
    972,280.67x = 953,457,227,343.30
  5. Step 5: Solve for x
    x = 953,457,227,343.30/972,280.67
  6. Step 6: Final answer
    x = 980,639.91

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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.