Home / 731,510.45-1,009,485.89-409,225.93

Finding the Fourth Proportional to 731,510.45, 1,009,485.89 and 409,225.93

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Solution

The fourth proportional to 731,510.45, 1,009,485.89 and 409,225.93 is: 564,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,510.45 : 1,009,485.89 = 409,225.93 : x
  2. Step 2: Convert to fraction form
    731,510.45/1,009,485.89 = 409,225.93/x
  3. Step 3: Cross multiply
    731,510.45x = 1,009,485.89 × 409,225.93
  4. Step 4: Simplify right side
    731,510.45x = 413,107,797,109.70
  5. Step 5: Solve for x
    x = 413,107,797,109.70/731,510.45
  6. Step 6: Final answer
    x = 564,732.60

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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.