Home / 884,376.87-1,220,483.34-497,314.10

Finding the Fourth Proportional to 884,376.87, 1,220,483.34 and 497,314.10

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Solution

The fourth proportional to 884,376.87, 1,220,483.34 and 497,314.10 is: 686,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,376.87 : 1,220,483.34 = 497,314.10 : x
  2. Step 2: Convert to fraction form
    884,376.87/1,220,483.34 = 497,314.10/x
  3. Step 3: Cross multiply
    884,376.87x = 1,220,483.34 × 497,314.10
  4. Step 4: Simplify right side
    884,376.87x = 606,963,567,694.68
  5. Step 5: Solve for x
    x = 606,963,567,694.68/884,376.87
  6. Step 6: Final answer
    x = 686,317.78

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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.