Home / 861,077.16-1,290,972.33-594,075.78

Finding the Fourth Proportional to 861,077.16, 1,290,972.33 and 594,075.78

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Solution

The fourth proportional to 861,077.16, 1,290,972.33 and 594,075.78 is: 890,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,077.16 : 1,290,972.33 = 594,075.78 : x
  2. Step 2: Convert to fraction form
    861,077.16/1,290,972.33 = 594,075.78/x
  3. Step 3: Cross multiply
    861,077.16x = 1,290,972.33 × 594,075.78
  4. Step 4: Simplify right side
    861,077.16x = 766,935,393,903.17
  5. Step 5: Solve for x
    x = 766,935,393,903.17/861,077.16
  6. Step 6: Final answer
    x = 890,669.77

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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.