Home / 771,222.60-1,158,216.30-561,097.80

Finding the Fourth Proportional to 771,222.60, 1,158,216.30 and 561,097.80

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Solution

The fourth proportional to 771,222.60, 1,158,216.30 and 561,097.80 is: 842,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,222.60 : 1,158,216.30 = 561,097.80 : x
  2. Step 2: Convert to fraction form
    771,222.60/1,158,216.30 = 561,097.80/x
  3. Step 3: Cross multiply
    771,222.60x = 1,158,216.30 × 561,097.80
  4. Step 4: Simplify right side
    771,222.60x = 649,872,617,854.14
  5. Step 5: Solve for x
    x = 649,872,617,854.14/771,222.60
  6. Step 6: Final answer
    x = 842,652.46

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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.