Home / 804,042.30-1,110,097.67-498,445.30

Finding the Fourth Proportional to 804,042.30, 1,110,097.67 and 498,445.30

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Solution

The fourth proportional to 804,042.30, 1,110,097.67 and 498,445.30 is: 688,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,042.30 : 1,110,097.67 = 498,445.30 : x
  2. Step 2: Convert to fraction form
    804,042.30/1,110,097.67 = 498,445.30/x
  3. Step 3: Cross multiply
    804,042.30x = 1,110,097.67 × 498,445.30
  4. Step 4: Simplify right side
    804,042.30x = 553,322,966,152.45
  5. Step 5: Solve for x
    x = 553,322,966,152.45/804,042.30
  6. Step 6: Final answer
    x = 688,176.44

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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.