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Finding the Fourth Proportional to 557,379.22, 769,502.01 and 366,946.20

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Solution

The fourth proportional to 557,379.22, 769,502.01 and 366,946.20 is: 506,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,379.22 : 769,502.01 = 366,946.20 : x
  2. Step 2: Convert to fraction form
    557,379.22/769,502.01 = 366,946.20/x
  3. Step 3: Cross multiply
    557,379.22x = 769,502.01 × 366,946.20
  4. Step 4: Simplify right side
    557,379.22x = 282,365,834,614.35
  5. Step 5: Solve for x
    x = 282,365,834,614.35/557,379.22
  6. Step 6: Final answer
    x = 506,595.55

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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.