Home / 731,495.16-1,009,422.70-409,142.98

Finding the Fourth Proportional to 731,495.16, 1,009,422.70 and 409,142.98

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Solution

The fourth proportional to 731,495.16, 1,009,422.70 and 409,142.98 is: 564,594.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,495.16 : 1,009,422.70 = 409,142.98 : x
  2. Step 2: Convert to fraction form
    731,495.16/1,009,422.70 = 409,142.98/x
  3. Step 3: Cross multiply
    731,495.16x = 1,009,422.70 × 409,142.98
  4. Step 4: Simplify right side
    731,495.16x = 412,998,211,557.65
  5. Step 5: Solve for x
    x = 412,998,211,557.65/731,495.16
  6. Step 6: Final answer
    x = 564,594.59

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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.