Home / 869,112.70-1,303,669.05-564,682.30

Finding the Fourth Proportional to 869,112.70, 1,303,669.05 and 564,682.30

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Solution

The fourth proportional to 869,112.70, 1,303,669.05 and 564,682.30 is: 847,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,112.70 : 1,303,669.05 = 564,682.30 : x
  2. Step 2: Convert to fraction form
    869,112.70/1,303,669.05 = 564,682.30/x
  3. Step 3: Cross multiply
    869,112.70x = 1,303,669.05 × 564,682.30
  4. Step 4: Simplify right side
    869,112.70x = 736,158,837,592.82
  5. Step 5: Solve for x
    x = 736,158,837,592.82/869,112.70
  6. Step 6: Final answer
    x = 847,023.45

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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.