Home / 896,307.93-1,236,889.17-488,412.72

Finding the Fourth Proportional to 896,307.93, 1,236,889.17 and 488,412.72

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Solution

The fourth proportional to 896,307.93, 1,236,889.17 and 488,412.72 is: 674,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,307.93 : 1,236,889.17 = 488,412.72 : x
  2. Step 2: Convert to fraction form
    896,307.93/1,236,889.17 = 488,412.72/x
  3. Step 3: Cross multiply
    896,307.93x = 1,236,889.17 × 488,412.72
  4. Step 4: Simplify right side
    896,307.93x = 604,112,403,858.24
  5. Step 5: Solve for x
    x = 604,112,403,858.24/896,307.93
  6. Step 6: Final answer
    x = 674,000.96

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Double scale
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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.