Home / 750,555.18-1,035,758.34-406,385.16

Finding the Fourth Proportional to 750,555.18, 1,035,758.34 and 406,385.16

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Solution

The fourth proportional to 750,555.18, 1,035,758.34 and 406,385.16 is: 560,807.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,555.18 : 1,035,758.34 = 406,385.16 : x
  2. Step 2: Convert to fraction form
    750,555.18/1,035,758.34 = 406,385.16/x
  3. Step 3: Cross multiply
    750,555.18x = 1,035,758.34 × 406,385.16
  4. Step 4: Simplify right side
    750,555.18x = 420,916,818,722.23
  5. Step 5: Solve for x
    x = 420,916,818,722.23/750,555.18
  6. Step 6: Final answer
    x = 560,807.29

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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.