Home / 834,648.03-1,151,448.46-490,328.58

Finding the Fourth Proportional to 834,648.03, 1,151,448.46 and 490,328.58

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Solution

The fourth proportional to 834,648.03, 1,151,448.46 and 490,328.58 is: 676,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,648.03 : 1,151,448.46 = 490,328.58 : x
  2. Step 2: Convert to fraction form
    834,648.03/1,151,448.46 = 490,328.58/x
  3. Step 3: Cross multiply
    834,648.03x = 1,151,448.46 × 490,328.58
  4. Step 4: Simplify right side
    834,648.03x = 564,588,080,126.10
  5. Step 5: Solve for x
    x = 564,588,080,126.10/834,648.03
  6. Step 6: Final answer
    x = 676,438.52

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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.