Home / 790,178.76-1,090,438.38-427,594.68

Finding the Fourth Proportional to 790,178.76, 1,090,438.38 and 427,594.68

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Solution

The fourth proportional to 790,178.76, 1,090,438.38 and 427,594.68 is: 590,076.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,178.76 : 1,090,438.38 = 427,594.68 : x
  2. Step 2: Convert to fraction form
    790,178.76/1,090,438.38 = 427,594.68/x
  3. Step 3: Cross multiply
    790,178.76x = 1,090,438.38 × 427,594.68
  4. Step 4: Simplify right side
    790,178.76x = 466,265,650,155.82
  5. Step 5: Solve for x
    x = 466,265,650,155.82/790,178.76
  6. Step 6: Final answer
    x = 590,076.16

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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.