Home / 896,427.64-1,237,034.06-488,520.72

Finding the Fourth Proportional to 896,427.64, 1,237,034.06 and 488,520.72

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Solution

The fourth proportional to 896,427.64, 1,237,034.06 and 488,520.72 is: 674,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,427.64 : 1,237,034.06 = 488,520.72 : x
  2. Step 2: Convert to fraction form
    896,427.64/1,237,034.06 = 488,520.72/x
  3. Step 3: Cross multiply
    896,427.64x = 1,237,034.06 × 488,520.72
  4. Step 4: Simplify right side
    896,427.64x = 604,316,761,027.95
  5. Step 5: Solve for x
    x = 604,316,761,027.95/896,427.64
  6. Step 6: Final answer
    x = 674,138.92

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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.