Home / 801,990.02-1,106,746.07-479,775.87

Finding the Fourth Proportional to 801,990.02, 1,106,746.07 and 479,775.87

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Solution

The fourth proportional to 801,990.02, 1,106,746.07 and 479,775.87 is: 662,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,990.02 : 1,106,746.07 = 479,775.87 : x
  2. Step 2: Convert to fraction form
    801,990.02/1,106,746.07 = 479,775.87/x
  3. Step 3: Cross multiply
    801,990.02x = 1,106,746.07 × 479,775.87
  4. Step 4: Simplify right side
    801,990.02x = 530,990,056,204.45
  5. Step 5: Solve for x
    x = 530,990,056,204.45/801,990.02
  6. Step 6: Final answer
    x = 662,090.60

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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.