Home / 840,245.96-1,260,929.40-435,810.92

Finding the Fourth Proportional to 840,245.96, 1,260,929.40 and 435,810.92

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Solution

The fourth proportional to 840,245.96, 1,260,929.40 and 435,810.92 is: 654,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,245.96 : 1,260,929.40 = 435,810.92 : x
  2. Step 2: Convert to fraction form
    840,245.96/1,260,929.40 = 435,810.92/x
  3. Step 3: Cross multiply
    840,245.96x = 1,260,929.40 × 435,810.92
  4. Step 4: Simplify right side
    840,245.96x = 549,526,801,869.05
  5. Step 5: Solve for x
    x = 549,526,801,869.05/840,245.96
  6. Step 6: Final answer
    x = 654,007.07

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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.