Home / 779,646.63-1,169,568.36-274,088.78

Finding the Fourth Proportional to 779,646.63, 1,169,568.36 and 274,088.78

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Solution

The fourth proportional to 779,646.63, 1,169,568.36 and 274,088.78 is: 411,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,646.63 : 1,169,568.36 = 274,088.78 : x
  2. Step 2: Convert to fraction form
    779,646.63/1,169,568.36 = 274,088.78/x
  3. Step 3: Cross multiply
    779,646.63x = 1,169,568.36 × 274,088.78
  4. Step 4: Simplify right side
    779,646.63x = 320,565,559,071.16
  5. Step 5: Solve for x
    x = 320,565,559,071.16/779,646.63
  6. Step 6: Final answer
    x = 411,167.76

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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.