Home / 677,690.89-1,016,534.71-374,070.49

Finding the Fourth Proportional to 677,690.89, 1,016,534.71 and 374,070.49

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Solution

The fourth proportional to 677,690.89, 1,016,534.71 and 374,070.49 is: 561,104.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,690.89 : 1,016,534.71 = 374,070.49 : x
  2. Step 2: Convert to fraction form
    677,690.89/1,016,534.71 = 374,070.49/x
  3. Step 3: Cross multiply
    677,690.89x = 1,016,534.71 × 374,070.49
  4. Step 4: Simplify right side
    677,690.89x = 380,255,637,071.71
  5. Step 5: Solve for x
    x = 380,255,637,071.71/677,690.89
  6. Step 6: Final answer
    x = 561,104.84

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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.