Home / 731,300.16-1,009,191.36-409,008.96

Finding the Fourth Proportional to 731,300.16, 1,009,191.36 and 409,008.96

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Solution

The fourth proportional to 731,300.16, 1,009,191.36 and 409,008.96 is: 564,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,300.16 : 1,009,191.36 = 409,008.96 : x
  2. Step 2: Convert to fraction form
    731,300.16/1,009,191.36 = 409,008.96/x
  3. Step 3: Cross multiply
    731,300.16x = 1,009,191.36 × 409,008.96
  4. Step 4: Simplify right side
    731,300.16x = 412,768,308,594.59
  5. Step 5: Solve for x
    x = 412,768,308,594.59/731,300.16
  6. Step 6: Final answer
    x = 564,430.76

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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.