Home / 657,124.70-986,075.85-433,132.70

Finding the Fourth Proportional to 657,124.70, 986,075.85 and 433,132.70

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Solution

The fourth proportional to 657,124.70, 986,075.85 and 433,132.70 is: 649,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,124.70 : 986,075.85 = 433,132.70 : x
  2. Step 2: Convert to fraction form
    657,124.70/986,075.85 = 433,132.70/x
  3. Step 3: Cross multiply
    657,124.70x = 986,075.85 × 433,132.70
  4. Step 4: Simplify right side
    657,124.70x = 427,101,695,315.30
  5. Step 5: Solve for x
    x = 427,101,695,315.30/657,124.70
  6. Step 6: Final answer
    x = 649,955.32

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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.