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Finding the Fourth Proportional to 557,615.40, 769,510.08 and 302,966.52

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Solution

The fourth proportional to 557,615.40, 769,510.08 and 302,966.52 is: 418,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,615.40 : 769,510.08 = 302,966.52 : x
  2. Step 2: Convert to fraction form
    557,615.40/769,510.08 = 302,966.52/x
  3. Step 3: Cross multiply
    557,615.40x = 769,510.08 × 302,966.52
  4. Step 4: Simplify right side
    557,615.40x = 233,135,791,042.52
  5. Step 5: Solve for x
    x = 233,135,791,042.52/557,615.40
  6. Step 6: Final answer
    x = 418,094.25

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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.