Home / 803,870.10-1,109,299.98-477,197.08

Finding the Fourth Proportional to 803,870.10, 1,109,299.98 and 477,197.08

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Solution

The fourth proportional to 803,870.10, 1,109,299.98 and 477,197.08 is: 658,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,870.10 : 1,109,299.98 = 477,197.08 : x
  2. Step 2: Convert to fraction form
    803,870.10/1,109,299.98 = 477,197.08/x
  3. Step 3: Cross multiply
    803,870.10x = 1,109,299.98 × 477,197.08
  4. Step 4: Simplify right side
    803,870.10x = 529,354,711,300.06
  5. Step 5: Solve for x
    x = 529,354,711,300.06/803,870.10
  6. Step 6: Final answer
    x = 658,507.78

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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.