Home / 781,041.72-1,077,863.04-432,186.08

Finding the Fourth Proportional to 781,041.72, 1,077,863.04 and 432,186.08

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Solution

The fourth proportional to 781,041.72, 1,077,863.04 and 432,186.08 is: 596,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,041.72 : 1,077,863.04 = 432,186.08 : x
  2. Step 2: Convert to fraction form
    781,041.72/1,077,863.04 = 432,186.08/x
  3. Step 3: Cross multiply
    781,041.72x = 1,077,863.04 × 432,186.08
  4. Step 4: Simplify right side
    781,041.72x = 465,837,402,034.48
  5. Step 5: Solve for x
    x = 465,837,402,034.48/781,041.72
  6. Step 6: Final answer
    x = 596,430.88

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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.