Home / 971,280.05-1,456,089.35-372,670.82

Finding the Fourth Proportional to 971,280.05, 1,456,089.35 and 372,670.82

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Solution

The fourth proportional to 971,280.05, 1,456,089.35 and 372,670.82 is: 558,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,280.05 : 1,456,089.35 = 372,670.82 : x
  2. Step 2: Convert to fraction form
    971,280.05/1,456,089.35 = 372,670.82/x
  3. Step 3: Cross multiply
    971,280.05x = 1,456,089.35 × 372,670.82
  4. Step 4: Simplify right side
    971,280.05x = 542,642,004,777.32
  5. Step 5: Solve for x
    x = 542,642,004,777.32/971,280.05
  6. Step 6: Final answer
    x = 558,687.48

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1.5x scale

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.