Home / 961,131.30-1,440,712.80-561,566.40

Finding the Fourth Proportional to 961,131.30, 1,440,712.80 and 561,566.40

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Solution

The fourth proportional to 961,131.30, 1,440,712.80 and 561,566.40 is: 841,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,131.30 : 1,440,712.80 = 561,566.40 : x
  2. Step 2: Convert to fraction form
    961,131.30/1,440,712.80 = 561,566.40/x
  3. Step 3: Cross multiply
    961,131.30x = 1,440,712.80 × 561,566.40
  4. Step 4: Simplify right side
    961,131.30x = 809,055,900,529.92
  5. Step 5: Solve for x
    x = 809,055,900,529.92/961,131.30
  6. Step 6: Final answer
    x = 841,774.58

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1.5x scale

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.