Home / 747,928.98-1,121,268.96-348,364.08

Finding the Fourth Proportional to 747,928.98, 1,121,268.96 and 348,364.08

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Solution

The fourth proportional to 747,928.98, 1,121,268.96 and 348,364.08 is: 522,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,928.98 : 1,121,268.96 = 348,364.08 : x
  2. Step 2: Convert to fraction form
    747,928.98/1,121,268.96 = 348,364.08/x
  3. Step 3: Cross multiply
    747,928.98x = 1,121,268.96 × 348,364.08
  4. Step 4: Simplify right side
    747,928.98x = 390,609,829,682.96
  5. Step 5: Solve for x
    x = 390,609,829,682.96/747,928.98
  6. Step 6: Final answer
    x = 522,255.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.