Home / 765,811.80-1,057,109.38-602,041.04

Finding the Fourth Proportional to 765,811.80, 1,057,109.38 and 602,041.04

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Solution

The fourth proportional to 765,811.80, 1,057,109.38 and 602,041.04 is: 831,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,811.80 : 1,057,109.38 = 602,041.04 : x
  2. Step 2: Convert to fraction form
    765,811.80/1,057,109.38 = 602,041.04/x
  3. Step 3: Cross multiply
    765,811.80x = 1,057,109.38 × 602,041.04
  4. Step 4: Simplify right side
    765,811.80x = 636,423,230,528.96
  5. Step 5: Solve for x
    x = 636,423,230,528.96/765,811.80
  6. Step 6: Final answer
    x = 831,043.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.