Home / 878,895.40-1,316,979.47-609,548.92

Finding the Fourth Proportional to 878,895.40, 1,316,979.47 and 609,548.92

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Solution

The fourth proportional to 878,895.40, 1,316,979.47 and 609,548.92 is: 913,377.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,895.40 : 1,316,979.47 = 609,548.92 : x
  2. Step 2: Convert to fraction form
    878,895.40/1,316,979.47 = 609,548.92/x
  3. Step 3: Cross multiply
    878,895.40x = 1,316,979.47 × 609,548.92
  4. Step 4: Simplify right side
    878,895.40x = 802,763,419,240.11
  5. Step 5: Solve for x
    x = 802,763,419,240.11/878,895.40
  6. Step 6: Final answer
    x = 913,377.66

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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.