Home / 566,274.41-781,458.84-311,625.59

Finding the Fourth Proportional to 566,274.41, 781,458.84 and 311,625.59

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Solution

The fourth proportional to 566,274.41, 781,458.84 and 311,625.59 is: 430,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,274.41 : 781,458.84 = 311,625.59 : x
  2. Step 2: Convert to fraction form
    566,274.41/781,458.84 = 311,625.59/x
  3. Step 3: Cross multiply
    566,274.41x = 781,458.84 × 311,625.59
  4. Step 4: Simplify right side
    566,274.41x = 243,522,572,075.72
  5. Step 5: Solve for x
    x = 243,522,572,075.72/566,274.41
  6. Step 6: Final answer
    x = 430,043.40

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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.