Home / 808,543.70-1,212,815.55-572,347.70

Finding the Fourth Proportional to 808,543.70, 1,212,815.55 and 572,347.70

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Solution

The fourth proportional to 808,543.70, 1,212,815.55 and 572,347.70 is: 858,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,543.70 : 1,212,815.55 = 572,347.70 : x
  2. Step 2: Convert to fraction form
    808,543.70/1,212,815.55 = 572,347.70/x
  3. Step 3: Cross multiply
    808,543.70x = 1,212,815.55 × 572,347.70
  4. Step 4: Simplify right side
    808,543.70x = 694,152,190,566.74
  5. Step 5: Solve for x
    x = 694,152,190,566.74/808,543.70
  6. Step 6: Final answer
    x = 858,521.55

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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.