Home / 763,664.50-1,053,878.88-424,154.62

Finding the Fourth Proportional to 763,664.50, 1,053,878.88 and 424,154.62

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Solution

The fourth proportional to 763,664.50, 1,053,878.88 and 424,154.62 is: 585,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,664.50 : 1,053,878.88 = 424,154.62 : x
  2. Step 2: Convert to fraction form
    763,664.50/1,053,878.88 = 424,154.62/x
  3. Step 3: Cross multiply
    763,664.50x = 1,053,878.88 × 424,154.62
  4. Step 4: Simplify right side
    763,664.50x = 447,007,595,872.43
  5. Step 5: Solve for x
    x = 447,007,595,872.43/763,664.50
  6. Step 6: Final answer
    x = 585,345.52

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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.