Home / 731,106.98-1,008,921.93-408,817.70

Finding the Fourth Proportional to 731,106.98, 1,008,921.93 and 408,817.70

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Solution

The fourth proportional to 731,106.98, 1,008,921.93 and 408,817.70 is: 564,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,106.98 : 1,008,921.93 = 408,817.70 : x
  2. Step 2: Convert to fraction form
    731,106.98/1,008,921.93 = 408,817.70/x
  3. Step 3: Cross multiply
    731,106.98x = 1,008,921.93 × 408,817.70
  4. Step 4: Simplify right side
    731,106.98x = 412,465,142,902.16
  5. Step 5: Solve for x
    x = 412,465,142,902.16/731,106.98
  6. Step 6: Final answer
    x = 564,165.24

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1.5x scale

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.