Home / 908,434.66-1,362,851.47-268,688.40

Finding the Fourth Proportional to 908,434.66, 1,362,851.47 and 268,688.40

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Solution

The fourth proportional to 908,434.66, 1,362,851.47 and 268,688.40 is: 403,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,434.66 : 1,362,851.47 = 268,688.40 : x
  2. Step 2: Convert to fraction form
    908,434.66/1,362,851.47 = 268,688.40/x
  3. Step 3: Cross multiply
    908,434.66x = 1,362,851.47 × 268,688.40
  4. Step 4: Simplify right side
    908,434.66x = 366,182,380,911.95
  5. Step 5: Solve for x
    x = 366,182,380,911.95/908,434.66
  6. Step 6: Final answer
    x = 403,091.60

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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.