Home / 884,396.63-1,220,330.68-497,140.29

Finding the Fourth Proportional to 884,396.63, 1,220,330.68 and 497,140.29

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Solution

The fourth proportional to 884,396.63, 1,220,330.68 and 497,140.29 is: 685,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,396.63 : 1,220,330.68 = 497,140.29 : x
  2. Step 2: Convert to fraction form
    884,396.63/1,220,330.68 = 497,140.29/x
  3. Step 3: Cross multiply
    884,396.63x = 1,220,330.68 × 497,140.29
  4. Step 4: Simplify right side
    884,396.63x = 606,675,546,908.25
  5. Step 5: Solve for x
    x = 606,675,546,908.25/884,396.63
  6. Step 6: Final answer
    x = 685,976.77

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Double scale
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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.