Home / 869,826.84-1,200,360.65-507,180.66

Finding the Fourth Proportional to 869,826.84, 1,200,360.65 and 507,180.66

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Solution

The fourth proportional to 869,826.84, 1,200,360.65 and 507,180.66 is: 699,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,826.84 : 1,200,360.65 = 507,180.66 : x
  2. Step 2: Convert to fraction form
    869,826.84/1,200,360.65 = 507,180.66/x
  3. Step 3: Cross multiply
    869,826.84x = 1,200,360.65 × 507,180.66
  4. Step 4: Simplify right side
    869,826.84x = 608,799,706,705.03
  5. Step 5: Solve for x
    x = 608,799,706,705.03/869,826.84
  6. Step 6: Final answer
    x = 699,909.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.