Home / 839,531.90-1,258,927.27-240,357.08

Finding the Fourth Proportional to 839,531.90, 1,258,927.27 and 240,357.08

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Solution

The fourth proportional to 839,531.90, 1,258,927.27 and 240,357.08 is: 360,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,531.90 : 1,258,927.27 = 240,357.08 : x
  2. Step 2: Convert to fraction form
    839,531.90/1,258,927.27 = 240,357.08/x
  3. Step 3: Cross multiply
    839,531.90x = 1,258,927.27 × 240,357.08
  4. Step 4: Simplify right side
    839,531.90x = 302,592,082,549.57
  5. Step 5: Solve for x
    x = 302,592,082,549.57/839,531.90
  6. Step 6: Final answer
    x = 360,429.52

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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.