Home / 756,616.80-1,044,138.28-417,097.20

Finding the Fourth Proportional to 756,616.80, 1,044,138.28 and 417,097.20

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Solution

The fourth proportional to 756,616.80, 1,044,138.28 and 417,097.20 is: 575,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,616.80 : 1,044,138.28 = 417,097.20 : x
  2. Step 2: Convert to fraction form
    756,616.80/1,044,138.28 = 417,097.20/x
  3. Step 3: Cross multiply
    756,616.80x = 1,044,138.28 × 417,097.20
  4. Step 4: Simplify right side
    756,616.80x = 435,507,153,000.82
  5. Step 5: Solve for x
    x = 435,507,153,000.82/756,616.80
  6. Step 6: Final answer
    x = 575,598.05

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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.