Home / 725,191.19-1,087,506.57-245,291.40

Finding the Fourth Proportional to 725,191.19, 1,087,506.57 and 245,291.40

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Solution

The fourth proportional to 725,191.19, 1,087,506.57 and 245,291.40 is: 367,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,191.19 : 1,087,506.57 = 245,291.40 : x
  2. Step 2: Convert to fraction form
    725,191.19/1,087,506.57 = 245,291.40/x
  3. Step 3: Cross multiply
    725,191.19x = 1,087,506.57 × 245,291.40
  4. Step 4: Simplify right side
    725,191.19x = 266,756,009,984.34
  5. Step 5: Solve for x
    x = 266,756,009,984.34/725,191.19
  6. Step 6: Final answer
    x = 367,842.32

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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.