Home / 571,981.27-787,818.92-426,320.26

Finding the Fourth Proportional to 571,981.27, 787,818.92 and 426,320.26

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Solution

The fourth proportional to 571,981.27, 787,818.92 and 426,320.26 is: 587,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,981.27 : 787,818.92 = 426,320.26 : x
  2. Step 2: Convert to fraction form
    571,981.27/787,818.92 = 426,320.26/x
  3. Step 3: Cross multiply
    571,981.27x = 787,818.92 × 426,320.26
  4. Step 4: Simplify right side
    571,981.27x = 335,863,166,807.32
  5. Step 5: Solve for x
    x = 335,863,166,807.32/571,981.27
  6. Step 6: Final answer
    x = 587,192.60

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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.