Home / 880,374.34-1,320,386.55-430,902.10

Finding the Fourth Proportional to 880,374.34, 1,320,386.55 and 430,902.10

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Solution

The fourth proportional to 880,374.34, 1,320,386.55 and 430,902.10 is: 646,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,374.34 : 1,320,386.55 = 430,902.10 : x
  2. Step 2: Convert to fraction form
    880,374.34/1,320,386.55 = 430,902.10/x
  3. Step 3: Cross multiply
    880,374.34x = 1,320,386.55 × 430,902.10
  4. Step 4: Simplify right side
    880,374.34x = 568,957,337,206.76
  5. Step 5: Solve for x
    x = 568,957,337,206.76/880,374.34
  6. Step 6: Final answer
    x = 646,267.52

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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.