Home / 790,102.26-1,090,332.90-427,518.18

Finding the Fourth Proportional to 790,102.26, 1,090,332.90 and 427,518.18

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Solution

The fourth proportional to 790,102.26, 1,090,332.90 and 427,518.18 is: 589,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,102.26 : 1,090,332.90 = 427,518.18 : x
  2. Step 2: Convert to fraction form
    790,102.26/1,090,332.90 = 427,518.18/x
  3. Step 3: Cross multiply
    790,102.26x = 1,090,332.90 × 427,518.18
  4. Step 4: Simplify right side
    790,102.26x = 466,137,137,002.12
  5. Step 5: Solve for x
    x = 466,137,137,002.12/790,102.26
  6. Step 6: Final answer
    x = 589,970.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.