Home / 731,480.18-1,009,526.37-409,271.90

Finding the Fourth Proportional to 731,480.18, 1,009,526.37 and 409,271.90

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Solution

The fourth proportional to 731,480.18, 1,009,526.37 and 409,271.90 is: 564,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,480.18 : 1,009,526.37 = 409,271.90 : x
  2. Step 2: Convert to fraction form
    731,480.18/1,009,526.37 = 409,271.90/x
  3. Step 3: Cross multiply
    731,480.18x = 1,009,526.37 × 409,271.90
  4. Step 4: Simplify right side
    731,480.18x = 413,170,775,550.00
  5. Step 5: Solve for x
    x = 413,170,775,550.00/731,480.18
  6. Step 6: Final answer
    x = 564,842.07

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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.