Home / 715,307.10-1,072,960.65-216,671.10

Finding the Fourth Proportional to 715,307.10, 1,072,960.65 and 216,671.10

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Solution

The fourth proportional to 715,307.10, 1,072,960.65 and 216,671.10 is: 325,006.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,307.10 : 1,072,960.65 = 216,671.10 : x
  2. Step 2: Convert to fraction form
    715,307.10/1,072,960.65 = 216,671.10/x
  3. Step 3: Cross multiply
    715,307.10x = 1,072,960.65 × 216,671.10
  4. Step 4: Simplify right side
    715,307.10x = 232,479,564,292.22
  5. Step 5: Solve for x
    x = 232,479,564,292.22/715,307.10
  6. Step 6: Final answer
    x = 325,006.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.