Home / 772,938.40-1,159,122.48-267,368.80

Finding the Fourth Proportional to 772,938.40, 1,159,122.48 and 267,368.80

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Solution

The fourth proportional to 772,938.40, 1,159,122.48 and 267,368.80 is: 400,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,938.40 : 1,159,122.48 = 267,368.80 : x
  2. Step 2: Convert to fraction form
    772,938.40/1,159,122.48 = 267,368.80/x
  3. Step 3: Cross multiply
    772,938.40x = 1,159,122.48 × 267,368.80
  4. Step 4: Simplify right side
    772,938.40x = 309,913,186,530.62
  5. Step 5: Solve for x
    x = 309,913,186,530.62/772,938.40
  6. Step 6: Final answer
    x = 400,954.57

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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.