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Finding the Fourth Proportional to 557,181.55, 768,888.98 and 302,526.91

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Solution

The fourth proportional to 557,181.55, 768,888.98 and 302,526.91 is: 417,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,181.55 : 768,888.98 = 302,526.91 : x
  2. Step 2: Convert to fraction form
    557,181.55/768,888.98 = 302,526.91/x
  3. Step 3: Cross multiply
    557,181.55x = 768,888.98 × 302,526.91
  4. Step 4: Simplify right side
    557,181.55x = 232,609,604,952.07
  5. Step 5: Solve for x
    x = 232,609,604,952.07/557,181.55
  6. Step 6: Final answer
    x = 417,475.43

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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.