Home / 897,402.75-1,346,990.85-392,312.31

Finding the Fourth Proportional to 897,402.75, 1,346,990.85 and 392,312.31

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Solution

The fourth proportional to 897,402.75, 1,346,990.85 and 392,312.31 is: 588,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,402.75 : 1,346,990.85 = 392,312.31 : x
  2. Step 2: Convert to fraction form
    897,402.75/1,346,990.85 = 392,312.31/x
  3. Step 3: Cross multiply
    897,402.75x = 1,346,990.85 × 392,312.31
  4. Step 4: Simplify right side
    897,402.75x = 528,441,091,912.36
  5. Step 5: Solve for x
    x = 528,441,091,912.36/897,402.75
  6. Step 6: Final answer
    x = 588,856.11

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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.