Home / 837,246.30-1,255,869.45-438,009.45

Finding the Fourth Proportional to 837,246.30, 1,255,869.45 and 438,009.45

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Solution

The fourth proportional to 837,246.30, 1,255,869.45 and 438,009.45 is: 657,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,246.30 : 1,255,869.45 = 438,009.45 : x
  2. Step 2: Convert to fraction form
    837,246.30/1,255,869.45 = 438,009.45/x
  3. Step 3: Cross multiply
    837,246.30x = 1,255,869.45 × 438,009.45
  4. Step 4: Simplify right side
    837,246.30x = 550,082,687,066.30
  5. Step 5: Solve for x
    x = 550,082,687,066.30/837,246.30
  6. Step 6: Final answer
    x = 657,014.18

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.