Home / 991,361.02-1,487,073.88-471,923.56

Finding the Fourth Proportional to 991,361.02, 1,487,073.88 and 471,923.56

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Solution

The fourth proportional to 991,361.02, 1,487,073.88 and 471,923.56 is: 707,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,361.02 : 1,487,073.88 = 471,923.56 : x
  2. Step 2: Convert to fraction form
    991,361.02/1,487,073.88 = 471,923.56/x
  3. Step 3: Cross multiply
    991,361.02x = 1,487,073.88 × 471,923.56
  4. Step 4: Simplify right side
    991,361.02x = 701,785,199,432.61
  5. Step 5: Solve for x
    x = 701,785,199,432.61/991,361.02
  6. Step 6: Final answer
    x = 707,900.74

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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.