Home / 913,292.40-1,260,850.24-550,808.40

Finding the Fourth Proportional to 913,292.40, 1,260,850.24 and 550,808.40

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Solution

The fourth proportional to 913,292.40, 1,260,850.24 and 550,808.40 is: 760,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,292.40 : 1,260,850.24 = 550,808.40 : x
  2. Step 2: Convert to fraction form
    913,292.40/1,260,850.24 = 550,808.40/x
  3. Step 3: Cross multiply
    913,292.40x = 1,260,850.24 × 550,808.40
  4. Step 4: Simplify right side
    913,292.40x = 694,486,903,334.02
  5. Step 5: Solve for x
    x = 694,486,903,334.02/913,292.40
  6. Step 6: Final answer
    x = 760,421.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.