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Finding the Fourth Proportional to 684,588.15, 944,417.34 and 442,949.49

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Solution

The fourth proportional to 684,588.15, 944,417.34 and 442,949.49 is: 611,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,588.15 : 944,417.34 = 442,949.49 : x
  2. Step 2: Convert to fraction form
    684,588.15/944,417.34 = 442,949.49/x
  3. Step 3: Cross multiply
    684,588.15x = 944,417.34 × 442,949.49
  4. Step 4: Simplify right side
    684,588.15x = 418,329,179,100.16
  5. Step 5: Solve for x
    x = 418,329,179,100.16/684,588.15
  6. Step 6: Final answer
    x = 611,066.93

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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.