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Finding the Fourth Proportional to 564,360.96, 778,853.12 and 373,042.56

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Solution

The fourth proportional to 564,360.96, 778,853.12 and 373,042.56 is: 514,821.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,360.96 : 778,853.12 = 373,042.56 : x
  2. Step 2: Convert to fraction form
    564,360.96/778,853.12 = 373,042.56/x
  3. Step 3: Cross multiply
    564,360.96x = 778,853.12 × 373,042.56
  4. Step 4: Simplify right side
    564,360.96x = 290,545,361,748.79
  5. Step 5: Solve for x
    x = 290,545,361,748.79/564,360.96
  6. Step 6: Final answer
    x = 514,821.86

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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.