Home / 778,354.72-1,167,532.08-357,984.16

Finding the Fourth Proportional to 778,354.72, 1,167,532.08 and 357,984.16

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Solution

The fourth proportional to 778,354.72, 1,167,532.08 and 357,984.16 is: 536,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,354.72 : 1,167,532.08 = 357,984.16 : x
  2. Step 2: Convert to fraction form
    778,354.72/1,167,532.08 = 357,984.16/x
  3. Step 3: Cross multiply
    778,354.72x = 1,167,532.08 × 357,984.16
  4. Step 4: Simplify right side
    778,354.72x = 417,957,990,931.85
  5. Step 5: Solve for x
    x = 417,957,990,931.85/778,354.72
  6. Step 6: Final answer
    x = 536,976.24

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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.