Home / 896,307.72-1,236,893.40-488,427.36

Finding the Fourth Proportional to 896,307.72, 1,236,893.40 and 488,427.36

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Solution

The fourth proportional to 896,307.72, 1,236,893.40 and 488,427.36 is: 674,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,307.72 : 1,236,893.40 = 488,427.36 : x
  2. Step 2: Convert to fraction form
    896,307.72/1,236,893.40 = 488,427.36/x
  3. Step 3: Cross multiply
    896,307.72x = 1,236,893.40 × 488,427.36
  4. Step 4: Simplify right side
    896,307.72x = 604,132,577,963.42
  5. Step 5: Solve for x
    x = 604,132,577,963.42/896,307.72
  6. Step 6: Final answer
    x = 674,023.62

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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.