Home / 843,026.85-1,264,222.89-274,259.16

Finding the Fourth Proportional to 843,026.85, 1,264,222.89 and 274,259.16

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Solution

The fourth proportional to 843,026.85, 1,264,222.89 and 274,259.16 is: 411,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,026.85 : 1,264,222.89 = 274,259.16 : x
  2. Step 2: Convert to fraction form
    843,026.85/1,264,222.89 = 274,259.16/x
  3. Step 3: Cross multiply
    843,026.85x = 1,264,222.89 × 274,259.16
  4. Step 4: Simplify right side
    843,026.85x = 346,724,707,864.17
  5. Step 5: Solve for x
    x = 346,724,707,864.17/843,026.85
  6. Step 6: Final answer
    x = 411,285.49

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Double scale
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1.5x scale

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.