Home / 546,531.20-754,271.04-320,366.72

Finding the Fourth Proportional to 546,531.20, 754,271.04 and 320,366.72

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Solution

The fourth proportional to 546,531.20, 754,271.04 and 320,366.72 is: 442,140.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,531.20 : 754,271.04 = 320,366.72 : x
  2. Step 2: Convert to fraction form
    546,531.20/754,271.04 = 320,366.72/x
  3. Step 3: Cross multiply
    546,531.20x = 754,271.04 × 320,366.72
  4. Step 4: Simplify right side
    546,531.20x = 241,643,339,075.79
  5. Step 5: Solve for x
    x = 241,643,339,075.79/546,531.20
  6. Step 6: Final answer
    x = 442,140.06

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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.