Home / 759,955.59-1,048,691.48-420,423.84

Finding the Fourth Proportional to 759,955.59, 1,048,691.48 and 420,423.84

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Solution

The fourth proportional to 759,955.59, 1,048,691.48 and 420,423.84 is: 580,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,955.59 : 1,048,691.48 = 420,423.84 : x
  2. Step 2: Convert to fraction form
    759,955.59/1,048,691.48 = 420,423.84/x
  3. Step 3: Cross multiply
    759,955.59x = 1,048,691.48 × 420,423.84
  4. Step 4: Simplify right side
    759,955.59x = 440,894,896,894.76
  5. Step 5: Solve for x
    x = 440,894,896,894.76/759,955.59
  6. Step 6: Final answer
    x = 580,158.77

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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.