Home / 560,090.47-772,984.80-342,426.87

Finding the Fourth Proportional to 560,090.47, 772,984.80 and 342,426.87

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Solution

The fourth proportional to 560,090.47, 772,984.80 and 342,426.87 is: 472,585.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,090.47 : 772,984.80 = 342,426.87 : x
  2. Step 2: Convert to fraction form
    560,090.47/772,984.80 = 342,426.87/x
  3. Step 3: Cross multiply
    560,090.47x = 772,984.80 × 342,426.87
  4. Step 4: Simplify right side
    560,090.47x = 264,690,765,621.58
  5. Step 5: Solve for x
    x = 264,690,765,621.58/560,090.47
  6. Step 6: Final answer
    x = 472,585.73

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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.