Home / 897,164.70-1,345,984.65-391,508.70

Finding the Fourth Proportional to 897,164.70, 1,345,984.65 and 391,508.70

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Solution

The fourth proportional to 897,164.70, 1,345,984.65 and 391,508.70 is: 587,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,164.70 : 1,345,984.65 = 391,508.70 : x
  2. Step 2: Convert to fraction form
    897,164.70/1,345,984.65 = 391,508.70/x
  3. Step 3: Cross multiply
    897,164.70x = 1,345,984.65 × 391,508.70
  4. Step 4: Simplify right side
    897,164.70x = 526,964,700,541.46
  5. Step 5: Solve for x
    x = 526,964,700,541.46/897,164.70
  6. Step 6: Final answer
    x = 587,366.73

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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.