Home / 798,821.87-1,102,382.96-436,256.40

Finding the Fourth Proportional to 798,821.87, 1,102,382.96 and 436,256.40

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Solution

The fourth proportional to 798,821.87, 1,102,382.96 and 436,256.40 is: 602,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,821.87 : 1,102,382.96 = 436,256.40 : x
  2. Step 2: Convert to fraction form
    798,821.87/1,102,382.96 = 436,256.40/x
  3. Step 3: Cross multiply
    798,821.87x = 1,102,382.96 × 436,256.40
  4. Step 4: Simplify right side
    798,821.87x = 480,921,621,775.23
  5. Step 5: Solve for x
    x = 480,921,621,775.23/798,821.87
  6. Step 6: Final answer
    x = 602,038.62

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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.