Home / 727,045.60-1,090,438.80-460,328.80

Finding the Fourth Proportional to 727,045.60, 1,090,438.80 and 460,328.80

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Solution

The fourth proportional to 727,045.60, 1,090,438.80 and 460,328.80 is: 690,411.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,045.60 : 1,090,438.80 = 460,328.80 : x
  2. Step 2: Convert to fraction form
    727,045.60/1,090,438.80 = 460,328.80/x
  3. Step 3: Cross multiply
    727,045.60x = 1,090,438.80 × 460,328.80
  4. Step 4: Simplify right side
    727,045.60x = 501,960,384,277.44
  5. Step 5: Solve for x
    x = 501,960,384,277.44/727,045.60
  6. Step 6: Final answer
    x = 690,411.14

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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.