Home / 803,464.32-1,109,300.18-497,865.00

Finding the Fourth Proportional to 803,464.32, 1,109,300.18 and 497,865.00

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Solution

The fourth proportional to 803,464.32, 1,109,300.18 and 497,865.00 is: 687,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,464.32 : 1,109,300.18 = 497,865.00 : x
  2. Step 2: Convert to fraction form
    803,464.32/1,109,300.18 = 497,865.00/x
  3. Step 3: Cross multiply
    803,464.32x = 1,109,300.18 × 497,865.00
  4. Step 4: Simplify right side
    803,464.32x = 552,281,735,786.25
  5. Step 5: Solve for x
    x = 552,281,735,786.25/803,464.32
  6. Step 6: Final answer
    x = 687,375.56

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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.