Home / 878,304.74-1,316,440.28-403,994.66

Finding the Fourth Proportional to 878,304.74, 1,316,440.28 and 403,994.66

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Solution

The fourth proportional to 878,304.74, 1,316,440.28 and 403,994.66 is: 605,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,304.74 : 1,316,440.28 = 403,994.66 : x
  2. Step 2: Convert to fraction form
    878,304.74/1,316,440.28 = 403,994.66/x
  3. Step 3: Cross multiply
    878,304.74x = 1,316,440.28 × 403,994.66
  4. Step 4: Simplify right side
    878,304.74x = 531,834,843,328.91
  5. Step 5: Solve for x
    x = 531,834,843,328.91/878,304.74
  6. Step 6: Final answer
    x = 605,524.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.