Home / 823,912.70-1,234,486.65-402,280.70

Finding the Fourth Proportional to 823,912.70, 1,234,486.65 and 402,280.70

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Solution

The fourth proportional to 823,912.70, 1,234,486.65 and 402,280.70 is: 602,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,912.70 : 1,234,486.65 = 402,280.70 : x
  2. Step 2: Convert to fraction form
    823,912.70/1,234,486.65 = 402,280.70/x
  3. Step 3: Cross multiply
    823,912.70x = 1,234,486.65 × 402,280.70
  4. Step 4: Simplify right side
    823,912.70x = 496,610,153,702.66
  5. Step 5: Solve for x
    x = 496,610,153,702.66/823,912.70
  6. Step 6: Final answer
    x = 602,746.08

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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.