Home / 779,964.66-1,169,171.91-542,809.08

Finding the Fourth Proportional to 779,964.66, 1,169,171.91 and 542,809.08

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Solution

The fourth proportional to 779,964.66, 1,169,171.91 and 542,809.08 is: 813,674.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,964.66 : 1,169,171.91 = 542,809.08 : x
  2. Step 2: Convert to fraction form
    779,964.66/1,169,171.91 = 542,809.08/x
  3. Step 3: Cross multiply
    779,964.66x = 1,169,171.91 × 542,809.08
  4. Step 4: Simplify right side
    779,964.66x = 634,637,128,828.94
  5. Step 5: Solve for x
    x = 634,637,128,828.94/779,964.66
  6. Step 6: Final answer
    x = 813,674.21

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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.