Home / 379,965.60-569,948.40-377,341.20

Finding the Fourth Proportional to 379,965.60, 569,948.40 and 377,341.20

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Solution

The fourth proportional to 379,965.60, 569,948.40 and 377,341.20 is: 566,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,965.60 : 569,948.40 = 377,341.20 : x
  2. Step 2: Convert to fraction form
    379,965.60/569,948.40 = 377,341.20/x
  3. Step 3: Cross multiply
    379,965.60x = 569,948.40 × 377,341.20
  4. Step 4: Simplify right side
    379,965.60x = 215,065,013,194.08
  5. Step 5: Solve for x
    x = 215,065,013,194.08/379,965.60
  6. Step 6: Final answer
    x = 566,011.80

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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.