Home / 817,699.60-1,226,549.40-368,927.20

Finding the Fourth Proportional to 817,699.60, 1,226,549.40 and 368,927.20

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Solution

The fourth proportional to 817,699.60, 1,226,549.40 and 368,927.20 is: 553,390.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,699.60 : 1,226,549.40 = 368,927.20 : x
  2. Step 2: Convert to fraction form
    817,699.60/1,226,549.40 = 368,927.20/x
  3. Step 3: Cross multiply
    817,699.60x = 1,226,549.40 × 368,927.20
  4. Step 4: Simplify right side
    817,699.60x = 452,507,435,803.68
  5. Step 5: Solve for x
    x = 452,507,435,803.68/817,699.60
  6. Step 6: Final answer
    x = 553,390.80

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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.