Home / 897,701.70-1,346,790.15-392,045.70

Finding the Fourth Proportional to 897,701.70, 1,346,790.15 and 392,045.70

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Solution

The fourth proportional to 897,701.70, 1,346,790.15 and 392,045.70 is: 588,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,701.70 : 1,346,790.15 = 392,045.70 : x
  2. Step 2: Convert to fraction form
    897,701.70/1,346,790.15 = 392,045.70/x
  3. Step 3: Cross multiply
    897,701.70x = 1,346,790.15 × 392,045.70
  4. Step 4: Simplify right side
    897,701.70x = 528,003,287,109.86
  5. Step 5: Solve for x
    x = 528,003,287,109.86/897,701.70
  6. Step 6: Final answer
    x = 588,172.32

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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.