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Finding the Fourth Proportional to 566,482.88, 781,738.08 and 311,827.52

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Solution

The fourth proportional to 566,482.88, 781,738.08 and 311,827.52 is: 430,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,482.88 : 781,738.08 = 311,827.52 : x
  2. Step 2: Convert to fraction form
    566,482.88/781,738.08 = 311,827.52/x
  3. Step 3: Cross multiply
    566,482.88x = 781,738.08 × 311,827.52
  4. Step 4: Simplify right side
    566,482.88x = 243,767,446,775.96
  5. Step 5: Solve for x
    x = 243,767,446,775.96/566,482.88
  6. Step 6: Final answer
    x = 430,317.41

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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.