Home / 918,716.92-1,267,642.91-536,669.89

Finding the Fourth Proportional to 918,716.92, 1,267,642.91 and 536,669.89

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Solution

The fourth proportional to 918,716.92, 1,267,642.91 and 536,669.89 is: 740,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,716.92 : 1,267,642.91 = 536,669.89 : x
  2. Step 2: Convert to fraction form
    918,716.92/1,267,642.91 = 536,669.89/x
  3. Step 3: Cross multiply
    918,716.92x = 1,267,642.91 × 536,669.89
  4. Step 4: Simplify right side
    918,716.92x = 680,305,779,241.55
  5. Step 5: Solve for x
    x = 680,305,779,241.55/918,716.92
  6. Step 6: Final answer
    x = 740,495.54

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1.5x scale

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.