Home / 731,272.83-1,009,427.85-550,509.08

Finding the Fourth Proportional to 731,272.83, 1,009,427.85 and 550,509.08

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Solution

The fourth proportional to 731,272.83, 1,009,427.85 and 550,509.08 is: 759,906.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,272.83 : 1,009,427.85 = 550,509.08 : x
  2. Step 2: Convert to fraction form
    731,272.83/1,009,427.85 = 550,509.08/x
  3. Step 3: Cross multiply
    731,272.83x = 1,009,427.85 × 550,509.08
  4. Step 4: Simplify right side
    731,272.83x = 555,699,191,982.74
  5. Step 5: Solve for x
    x = 555,699,191,982.74/731,272.83
  6. Step 6: Final answer
    x = 759,906.79

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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.