Home / 878,842.80-1,318,701.60-346,381.20

Finding the Fourth Proportional to 878,842.80, 1,318,701.60 and 346,381.20

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Solution

The fourth proportional to 878,842.80, 1,318,701.60 and 346,381.20 is: 519,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,842.80 : 1,318,701.60 = 346,381.20 : x
  2. Step 2: Convert to fraction form
    878,842.80/1,318,701.60 = 346,381.20/x
  3. Step 3: Cross multiply
    878,842.80x = 1,318,701.60 × 346,381.20
  4. Step 4: Simplify right side
    878,842.80x = 456,773,442,649.92
  5. Step 5: Solve for x
    x = 456,773,442,649.92/878,842.80
  6. Step 6: Final answer
    x = 519,744.19

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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.