Home / 778,383.72-1,167,575.58-358,013.16

Finding the Fourth Proportional to 778,383.72, 1,167,575.58 and 358,013.16

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Solution

The fourth proportional to 778,383.72, 1,167,575.58 and 358,013.16 is: 537,019.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,383.72 : 1,167,575.58 = 358,013.16 : x
  2. Step 2: Convert to fraction form
    778,383.72/1,167,575.58 = 358,013.16/x
  3. Step 3: Cross multiply
    778,383.72x = 1,167,575.58 × 358,013.16
  4. Step 4: Simplify right side
    778,383.72x = 418,007,422,934.63
  5. Step 5: Solve for x
    x = 418,007,422,934.63/778,383.72
  6. Step 6: Final answer
    x = 537,019.74

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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.