Home / 874,641.26-1,310,835.45-424,490.96

Finding the Fourth Proportional to 874,641.26, 1,310,835.45 and 424,490.96

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Solution

The fourth proportional to 874,641.26, 1,310,835.45 and 424,490.96 is: 636,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,641.26 : 1,310,835.45 = 424,490.96 : x
  2. Step 2: Convert to fraction form
    874,641.26/1,310,835.45 = 424,490.96/x
  3. Step 3: Cross multiply
    874,641.26x = 1,310,835.45 × 424,490.96
  4. Step 4: Simplify right side
    874,641.26x = 556,437,798,572.53
  5. Step 5: Solve for x
    x = 556,437,798,572.53/874,641.26
  6. Step 6: Final answer
    x = 636,189.74

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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.