Home / 839,864.47-1,259,426.02-240,689.65

Finding the Fourth Proportional to 839,864.47, 1,259,426.02 and 240,689.65

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Solution

The fourth proportional to 839,864.47, 1,259,426.02 and 240,689.65 is: 360,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,864.47 : 1,259,426.02 = 240,689.65 : x
  2. Step 2: Convert to fraction form
    839,864.47/1,259,426.02 = 240,689.65/x
  3. Step 3: Cross multiply
    839,864.47x = 1,259,426.02 × 240,689.65
  4. Step 4: Simplify right side
    839,864.47x = 303,130,807,954.69
  5. Step 5: Solve for x
    x = 303,130,807,954.69/839,864.47
  6. Step 6: Final answer
    x = 360,928.24

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Double scale
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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.