Home / 840,287.06-1,260,991.11-435,852.02

Finding the Fourth Proportional to 840,287.06, 1,260,991.11 and 435,852.02

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Solution

The fourth proportional to 840,287.06, 1,260,991.11 and 435,852.02 is: 654,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,287.06 : 1,260,991.11 = 435,852.02 : x
  2. Step 2: Convert to fraction form
    840,287.06/1,260,991.11 = 435,852.02/x
  3. Step 3: Cross multiply
    840,287.06x = 1,260,991.11 × 435,852.02
  4. Step 4: Simplify right side
    840,287.06x = 549,605,522,495.54
  5. Step 5: Solve for x
    x = 549,605,522,495.54/840,287.06
  6. Step 6: Final answer
    x = 654,068.77

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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.