Home / 763,693.32-1,053,878.40-424,161.84

Finding the Fourth Proportional to 763,693.32, 1,053,878.40 and 424,161.84

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Solution

The fourth proportional to 763,693.32, 1,053,878.40 and 424,161.84 is: 585,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,693.32 : 1,053,878.40 = 424,161.84 : x
  2. Step 2: Convert to fraction form
    763,693.32/1,053,878.40 = 424,161.84/x
  3. Step 3: Cross multiply
    763,693.32x = 1,053,878.40 × 424,161.84
  4. Step 4: Simplify right side
    763,693.32x = 447,015,001,280.26
  5. Step 5: Solve for x
    x = 447,015,001,280.26/763,693.32
  6. Step 6: Final answer
    x = 585,333.13

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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.