Home / 929,280.42-1,393,920.69-330,265.23

Finding the Fourth Proportional to 929,280.42, 1,393,920.69 and 330,265.23

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Solution

The fourth proportional to 929,280.42, 1,393,920.69 and 330,265.23 is: 495,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,280.42 : 1,393,920.69 = 330,265.23 : x
  2. Step 2: Convert to fraction form
    929,280.42/1,393,920.69 = 330,265.23/x
  3. Step 3: Cross multiply
    929,280.42x = 1,393,920.69 × 330,265.23
  4. Step 4: Simplify right side
    929,280.42x = 460,363,537,284.61
  5. Step 5: Solve for x
    x = 460,363,537,284.61/929,280.42
  6. Step 6: Final answer
    x = 495,397.87

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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.