Home / 803,558.43-1,205,298.59-298,217.84

Finding the Fourth Proportional to 803,558.43, 1,205,298.59 and 298,217.84

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Solution

The fourth proportional to 803,558.43, 1,205,298.59 and 298,217.84 is: 447,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,558.43 : 1,205,298.59 = 298,217.84 : x
  2. Step 2: Convert to fraction form
    803,558.43/1,205,298.59 = 298,217.84/x
  3. Step 3: Cross multiply
    803,558.43x = 1,205,298.59 × 298,217.84
  4. Step 4: Simplify right side
    803,558.43x = 359,441,534,547.26
  5. Step 5: Solve for x
    x = 359,441,534,547.26/803,558.43
  6. Step 6: Final answer
    x = 447,312.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.