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Finding the Fourth Proportional to 546,075.80, 819,113.70 and 492,931.70

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Solution

The fourth proportional to 546,075.80, 819,113.70 and 492,931.70 is: 739,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,075.80 : 819,113.70 = 492,931.70 : x
  2. Step 2: Convert to fraction form
    546,075.80/819,113.70 = 492,931.70/x
  3. Step 3: Cross multiply
    546,075.80x = 819,113.70 × 492,931.70
  4. Step 4: Simplify right side
    546,075.80x = 403,767,108,634.29
  5. Step 5: Solve for x
    x = 403,767,108,634.29/546,075.80
  6. Step 6: Final answer
    x = 739,397.55

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Similar ratio
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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.