Home / 657,931.02-985,341.93-321,202.28

Finding the Fourth Proportional to 657,931.02, 985,341.93 and 321,202.28

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Solution

The fourth proportional to 657,931.02, 985,341.93 and 321,202.28 is: 481,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,931.02 : 985,341.93 = 321,202.28 : x
  2. Step 2: Convert to fraction form
    657,931.02/985,341.93 = 321,202.28/x
  3. Step 3: Cross multiply
    657,931.02x = 985,341.93 × 321,202.28
  4. Step 4: Simplify right side
    657,931.02x = 316,494,069,568.89
  5. Step 5: Solve for x
    x = 316,494,069,568.89/657,931.02
  6. Step 6: Final answer
    x = 481,044.46

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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.