Home / 900,810.15-1,351,216.08-368,331.18

Finding the Fourth Proportional to 900,810.15, 1,351,216.08 and 368,331.18

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Solution

The fourth proportional to 900,810.15, 1,351,216.08 and 368,331.18 is: 552,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,810.15 : 1,351,216.08 = 368,331.18 : x
  2. Step 2: Convert to fraction form
    900,810.15/1,351,216.08 = 368,331.18/x
  3. Step 3: Cross multiply
    900,810.15x = 1,351,216.08 × 368,331.18
  4. Step 4: Simplify right side
    900,810.15x = 497,695,013,181.37
  5. Step 5: Solve for x
    x = 497,695,013,181.37/900,810.15
  6. Step 6: Final answer
    x = 552,497.12

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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.