Home / 915,692.07-1,263,734.96-533,710.65

Finding the Fourth Proportional to 915,692.07, 1,263,734.96 and 533,710.65

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Solution

The fourth proportional to 915,692.07, 1,263,734.96 and 533,710.65 is: 736,567.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,692.07 : 1,263,734.96 = 533,710.65 : x
  2. Step 2: Convert to fraction form
    915,692.07/1,263,734.96 = 533,710.65/x
  3. Step 3: Cross multiply
    915,692.07x = 1,263,734.96 × 533,710.65
  4. Step 4: Simplify right side
    915,692.07x = 674,468,804,260.77
  5. Step 5: Solve for x
    x = 674,468,804,260.77/915,692.07
  6. Step 6: Final answer
    x = 736,567.27

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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.