Home / 913,416.40-1,371,355.80-534,725.20

Finding the Fourth Proportional to 913,416.40, 1,371,355.80 and 534,725.20

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Solution

The fourth proportional to 913,416.40, 1,371,355.80 and 534,725.20 is: 802,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,416.40 : 1,371,355.80 = 534,725.20 : x
  2. Step 2: Convert to fraction form
    913,416.40/1,371,355.80 = 534,725.20/x
  3. Step 3: Cross multiply
    913,416.40x = 1,371,355.80 × 534,725.20
  4. Step 4: Simplify right side
    913,416.40x = 733,298,504,426.16
  5. Step 5: Solve for x
    x = 733,298,504,426.16/913,416.40
  6. Step 6: Final answer
    x = 802,808.56

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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.