Home / 675,437.84-1,013,505.56-296,624.40

Finding the Fourth Proportional to 675,437.84, 1,013,505.56 and 296,624.40

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Solution

The fourth proportional to 675,437.84, 1,013,505.56 and 296,624.40 is: 445,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,437.84 : 1,013,505.56 = 296,624.40 : x
  2. Step 2: Convert to fraction form
    675,437.84/1,013,505.56 = 296,624.40/x
  3. Step 3: Cross multiply
    675,437.84x = 1,013,505.56 × 296,624.40
  4. Step 4: Simplify right side
    675,437.84x = 300,630,478,631.66
  5. Step 5: Solve for x
    x = 300,630,478,631.66/675,437.84
  6. Step 6: Final answer
    x = 445,089.78

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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.