Home / 688,244.84-949,929.68-382,426.29

Finding the Fourth Proportional to 688,244.84, 949,929.68 and 382,426.29

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Solution

The fourth proportional to 688,244.84, 949,929.68 and 382,426.29 is: 527,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,244.84 : 949,929.68 = 382,426.29 : x
  2. Step 2: Convert to fraction form
    688,244.84/949,929.68 = 382,426.29/x
  3. Step 3: Cross multiply
    688,244.84x = 949,929.68 × 382,426.29
  4. Step 4: Simplify right side
    688,244.84x = 363,278,081,371.16
  5. Step 5: Solve for x
    x = 363,278,081,371.16/688,244.84
  6. Step 6: Final answer
    x = 527,832.63

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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.