Home / 557,292.06-769,056.12-302,645.04

Finding the Fourth Proportional to 557,292.06, 769,056.12 and 302,645.04

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Solution

The fourth proportional to 557,292.06, 769,056.12 and 302,645.04 is: 417,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,292.06 : 769,056.12 = 302,645.04 : x
  2. Step 2: Convert to fraction form
    557,292.06/769,056.12 = 302,645.04/x
  3. Step 3: Cross multiply
    557,292.06x = 769,056.12 × 302,645.04
  4. Step 4: Simplify right side
    557,292.06x = 232,751,020,199.65
  5. Step 5: Solve for x
    x = 232,751,020,199.65/557,292.06
  6. Step 6: Final answer
    x = 417,646.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.