Home / 849,855.40-1,274,783.10-808,521.10

Finding the Fourth Proportional to 849,855.40, 1,274,783.10 and 808,521.10

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Solution

The fourth proportional to 849,855.40, 1,274,783.10 and 808,521.10 is: 1,212,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,855.40 : 1,274,783.10 = 808,521.10 : x
  2. Step 2: Convert to fraction form
    849,855.40/1,274,783.10 = 808,521.10/x
  3. Step 3: Cross multiply
    849,855.40x = 1,274,783.10 × 808,521.10
  4. Step 4: Simplify right side
    849,855.40x = 1,030,689,034,273.41
  5. Step 5: Solve for x
    x = 1,030,689,034,273.41/849,855.40
  6. Step 6: Final answer
    x = 1,212,781.65

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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.