Home / 626,543.64-864,631.02-340,063.82

Finding the Fourth Proportional to 626,543.64, 864,631.02 and 340,063.82

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Solution

The fourth proportional to 626,543.64, 864,631.02 and 340,063.82 is: 469,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,543.64 : 864,631.02 = 340,063.82 : x
  2. Step 2: Convert to fraction form
    626,543.64/864,631.02 = 340,063.82/x
  3. Step 3: Cross multiply
    626,543.64x = 864,631.02 × 340,063.82
  4. Step 4: Simplify right side
    626,543.64x = 294,029,727,746.15
  5. Step 5: Solve for x
    x = 294,029,727,746.15/626,543.64
  6. Step 6: Final answer
    x = 469,288.50

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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.