Home / 790,478.70-1,185,348.90-284,973.10

Finding the Fourth Proportional to 790,478.70, 1,185,348.90 and 284,973.10

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Solution

The fourth proportional to 790,478.70, 1,185,348.90 and 284,973.10 is: 427,326.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,478.70 : 1,185,348.90 = 284,973.10 : x
  2. Step 2: Convert to fraction form
    790,478.70/1,185,348.90 = 284,973.10/x
  3. Step 3: Cross multiply
    790,478.70x = 1,185,348.90 × 284,973.10
  4. Step 4: Simplify right side
    790,478.70x = 337,792,550,614.59
  5. Step 5: Solve for x
    x = 337,792,550,614.59/790,478.70
  6. Step 6: Final answer
    x = 427,326.57

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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.