Home / 839,871.48-1,260,332.10-341,235.48

Finding the Fourth Proportional to 839,871.48, 1,260,332.10 and 341,235.48

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Solution

The fourth proportional to 839,871.48, 1,260,332.10 and 341,235.48 is: 512,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,871.48 : 1,260,332.10 = 341,235.48 : x
  2. Step 2: Convert to fraction form
    839,871.48/1,260,332.10 = 341,235.48/x
  3. Step 3: Cross multiply
    839,871.48x = 1,260,332.10 × 341,235.48
  4. Step 4: Simplify right side
    839,871.48x = 430,070,029,102.91
  5. Step 5: Solve for x
    x = 430,070,029,102.91/839,871.48
  6. Step 6: Final answer
    x = 512,066.48

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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.