Home / 807,068.79-1,113,658.02-462,886.83

Finding the Fourth Proportional to 807,068.79, 1,113,658.02 and 462,886.83

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Solution

The fourth proportional to 807,068.79, 1,113,658.02 and 462,886.83 is: 638,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,068.79 : 1,113,658.02 = 462,886.83 : x
  2. Step 2: Convert to fraction form
    807,068.79/1,113,658.02 = 462,886.83/x
  3. Step 3: Cross multiply
    807,068.79x = 1,113,658.02 × 462,886.83
  4. Step 4: Simplify right side
    807,068.79x = 515,497,630,581.88
  5. Step 5: Solve for x
    x = 515,497,630,581.88/807,068.79
  6. Step 6: Final answer
    x = 638,728.24

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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.