Home / 496,345.25-680,495.02-487,377.14

Finding the Fourth Proportional to 496,345.25, 680,495.02 and 487,377.14

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Solution

The fourth proportional to 496,345.25, 680,495.02 and 487,377.14 is: 668,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,345.25 : 680,495.02 = 487,377.14 : x
  2. Step 2: Convert to fraction form
    496,345.25/680,495.02 = 487,377.14/x
  3. Step 3: Cross multiply
    496,345.25x = 680,495.02 × 487,377.14
  4. Step 4: Simplify right side
    496,345.25x = 331,657,712,010.93
  5. Step 5: Solve for x
    x = 331,657,712,010.93/496,345.25
  6. Step 6: Final answer
    x = 668,199.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.