Home / 755,335.13-1,042,362.47-415,803.38

Finding the Fourth Proportional to 755,335.13, 1,042,362.47 and 415,803.38

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Solution

The fourth proportional to 755,335.13, 1,042,362.47 and 415,803.38 is: 573,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,335.13 : 1,042,362.47 = 415,803.38 : x
  2. Step 2: Convert to fraction form
    755,335.13/1,042,362.47 = 415,803.38/x
  3. Step 3: Cross multiply
    755,335.13x = 1,042,362.47 × 415,803.38
  4. Step 4: Simplify right side
    755,335.13x = 433,417,834,038.85
  5. Step 5: Solve for x
    x = 433,417,834,038.85/755,335.13
  6. Step 6: Final answer
    x = 573,808.66

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1.5x scale

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.