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Finding the Fourth Proportional to 557,444.17, 769,287.27 and 302,809.93

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Solution

The fourth proportional to 557,444.17, 769,287.27 and 302,809.93 is: 417,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,444.17 : 769,287.27 = 302,809.93 : x
  2. Step 2: Convert to fraction form
    557,444.17/769,287.27 = 302,809.93/x
  3. Step 3: Cross multiply
    557,444.17x = 769,287.27 × 302,809.93
  4. Step 4: Simplify right side
    557,444.17x = 232,947,822,864.54
  5. Step 5: Solve for x
    x = 232,947,822,864.54/557,444.17
  6. Step 6: Final answer
    x = 417,885.48

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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.