Home / 766,885.08-1,058,864.76-495,111.72

Finding the Fourth Proportional to 766,885.08, 1,058,864.76 and 495,111.72

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Solution

The fourth proportional to 766,885.08, 1,058,864.76 and 495,111.72 is: 683,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,885.08 : 1,058,864.76 = 495,111.72 : x
  2. Step 2: Convert to fraction form
    766,885.08/1,058,864.76 = 495,111.72/x
  3. Step 3: Cross multiply
    766,885.08x = 1,058,864.76 × 495,111.72
  4. Step 4: Simplify right side
    766,885.08x = 524,256,352,570.99
  5. Step 5: Solve for x
    x = 524,256,352,570.99/766,885.08
  6. Step 6: Final answer
    x = 683,617.88

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Double scale
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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.