Home / 875,024.13-1,312,610.31-243,938.55

Finding the Fourth Proportional to 875,024.13, 1,312,610.31 and 243,938.55

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Solution

The fourth proportional to 875,024.13, 1,312,610.31 and 243,938.55 is: 365,928.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,024.13 : 1,312,610.31 = 243,938.55 : x
  2. Step 2: Convert to fraction form
    875,024.13/1,312,610.31 = 243,938.55/x
  3. Step 3: Cross multiply
    875,024.13x = 1,312,610.31 × 243,938.55
  4. Step 4: Simplify right side
    875,024.13x = 320,196,255,736.45
  5. Step 5: Solve for x
    x = 320,196,255,736.45/875,024.13
  6. Step 6: Final answer
    x = 365,928.49

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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.