Home / 735,866.09-1,103,585.88-286,486.78

Finding the Fourth Proportional to 735,866.09, 1,103,585.88 and 286,486.78

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Solution

The fourth proportional to 735,866.09, 1,103,585.88 and 286,486.78 is: 429,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,866.09 : 1,103,585.88 = 286,486.78 : x
  2. Step 2: Convert to fraction form
    735,866.09/1,103,585.88 = 286,486.78/x
  3. Step 3: Cross multiply
    735,866.09x = 1,103,585.88 × 286,486.78
  4. Step 4: Simplify right side
    735,866.09x = 316,162,765,214.67
  5. Step 5: Solve for x
    x = 316,162,765,214.67/735,866.09
  6. Step 6: Final answer
    x = 429,647.15

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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.