Home / 969,315.95-1,337,835.38-561,417.68

Finding the Fourth Proportional to 969,315.95, 1,337,835.38 and 561,417.68

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Solution

The fourth proportional to 969,315.95, 1,337,835.38 and 561,417.68 is: 774,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,315.95 : 1,337,835.38 = 561,417.68 : x
  2. Step 2: Convert to fraction form
    969,315.95/1,337,835.38 = 561,417.68/x
  3. Step 3: Cross multiply
    969,315.95x = 1,337,835.38 × 561,417.68
  4. Step 4: Simplify right side
    969,315.95x = 751,084,428,572.34
  5. Step 5: Solve for x
    x = 751,084,428,572.34/969,315.95
  6. Step 6: Final answer
    x = 774,860.28

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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.