Home / 766,968.32-1,058,452.44-427,439

Finding the Fourth Proportional to 766,968.32, 1,058,452.44 and 427,439

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Solution

The fourth proportional to 766,968.32, 1,058,452.44 and 427,439 is: 589,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,968.32 : 1,058,452.44 = 427,439 : x
  2. Step 2: Convert to fraction form
    766,968.32/1,058,452.44 = 427,439/x
  3. Step 3: Cross multiply
    766,968.32x = 1,058,452.44 × 427,439
  4. Step 4: Simplify right side
    766,968.32x = 452,423,852,501.16
  5. Step 5: Solve for x
    x = 452,423,852,501.16/766,968.32
  6. Step 6: Final answer
    x = 589,885.97

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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.