Home / 839,797.25-1,158,885.72-472,263.89

Finding the Fourth Proportional to 839,797.25, 1,158,885.72 and 472,263.89

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Solution

The fourth proportional to 839,797.25, 1,158,885.72 and 472,263.89 is: 651,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,797.25 : 1,158,885.72 = 472,263.89 : x
  2. Step 2: Convert to fraction form
    839,797.25/1,158,885.72 = 472,263.89/x
  3. Step 3: Cross multiply
    839,797.25x = 1,158,885.72 × 472,263.89
  4. Step 4: Simplify right side
    839,797.25x = 547,299,872,398.22
  5. Step 5: Solve for x
    x = 547,299,872,398.22/839,797.25
  6. Step 6: Final answer
    x = 651,704.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.