Home / 896,302.72-1,236,886.50-488,422.36

Finding the Fourth Proportional to 896,302.72, 1,236,886.50 and 488,422.36

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Solution

The fourth proportional to 896,302.72, 1,236,886.50 and 488,422.36 is: 674,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,302.72 : 1,236,886.50 = 488,422.36 : x
  2. Step 2: Convert to fraction form
    896,302.72/1,236,886.50 = 488,422.36/x
  3. Step 3: Cross multiply
    896,302.72x = 1,236,886.50 × 488,422.36
  4. Step 4: Simplify right side
    896,302.72x = 604,123,023,382.14
  5. Step 5: Solve for x
    x = 604,123,023,382.14/896,302.72
  6. Step 6: Final answer
    x = 674,016.72

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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.