Home / 740,734.16-1,111,166.87-208,259.82

Finding the Fourth Proportional to 740,734.16, 1,111,166.87 and 208,259.82

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Solution

The fourth proportional to 740,734.16, 1,111,166.87 and 208,259.82 is: 312,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,734.16 : 1,111,166.87 = 208,259.82 : x
  2. Step 2: Convert to fraction form
    740,734.16/1,111,166.87 = 208,259.82/x
  3. Step 3: Cross multiply
    740,734.16x = 1,111,166.87 × 208,259.82
  4. Step 4: Simplify right side
    740,734.16x = 231,411,411,294.86
  5. Step 5: Solve for x
    x = 231,411,411,294.86/740,734.16
  6. Step 6: Final answer
    x = 312,408.18

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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.