Home / 755,041.55-1,041,956.73-415,509.80

Finding the Fourth Proportional to 755,041.55, 1,041,956.73 and 415,509.80

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Solution

The fourth proportional to 755,041.55, 1,041,956.73 and 415,509.80 is: 573,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,041.55 : 1,041,956.73 = 415,509.80 : x
  2. Step 2: Convert to fraction form
    755,041.55/1,041,956.73 = 415,509.80/x
  3. Step 3: Cross multiply
    755,041.55x = 1,041,956.73 × 415,509.80
  4. Step 4: Simplify right side
    755,041.55x = 432,943,227,281.17
  5. Step 5: Solve for x
    x = 432,943,227,281.17/755,041.55
  6. Step 6: Final answer
    x = 573,403.19

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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.