Home / 771,387.54-1,157,827.64-372,309.24

Finding the Fourth Proportional to 771,387.54, 1,157,827.64 and 372,309.24

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Solution

The fourth proportional to 771,387.54, 1,157,827.64 and 372,309.24 is: 558,824.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,387.54 : 1,157,827.64 = 372,309.24 : x
  2. Step 2: Convert to fraction form
    771,387.54/1,157,827.64 = 372,309.24/x
  3. Step 3: Cross multiply
    771,387.54x = 1,157,827.64 × 372,309.24
  4. Step 4: Simplify right side
    771,387.54x = 431,069,931,179.70
  5. Step 5: Solve for x
    x = 431,069,931,179.70/771,387.54
  6. Step 6: Final answer
    x = 558,824.08

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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.