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Finding the Fourth Proportional to 557,117.58, 768,810.33 and 302,468.76

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Solution

The fourth proportional to 557,117.58, 768,810.33 and 302,468.76 is: 417,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,117.58 : 768,810.33 = 302,468.76 : x
  2. Step 2: Convert to fraction form
    557,117.58/768,810.33 = 302,468.76/x
  3. Step 3: Cross multiply
    557,117.58x = 768,810.33 × 302,468.76
  4. Step 4: Simplify right side
    557,117.58x = 232,541,107,190.29
  5. Step 5: Solve for x
    x = 232,541,107,190.29/557,117.58
  6. Step 6: Final answer
    x = 417,400.41

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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.