Home / 839,723.04-1,259,454.72-307,119.52

Finding the Fourth Proportional to 839,723.04, 1,259,454.72 and 307,119.52

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Solution

The fourth proportional to 839,723.04, 1,259,454.72 and 307,119.52 is: 460,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,723.04 : 1,259,454.72 = 307,119.52 : x
  2. Step 2: Convert to fraction form
    839,723.04/1,259,454.72 = 307,119.52/x
  3. Step 3: Cross multiply
    839,723.04x = 1,259,454.72 × 307,119.52
  4. Step 4: Simplify right side
    839,723.04x = 386,803,129,068.13
  5. Step 5: Solve for x
    x = 386,803,129,068.13/839,723.04
  6. Step 6: Final answer
    x = 460,631.79

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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.