Home / 991,302.48-1,367,952.84-561,573.84

Finding the Fourth Proportional to 991,302.48, 1,367,952.84 and 561,573.84

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Solution

The fourth proportional to 991,302.48, 1,367,952.84 and 561,573.84 is: 774,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,302.48 : 1,367,952.84 = 561,573.84 : x
  2. Step 2: Convert to fraction form
    991,302.48/1,367,952.84 = 561,573.84/x
  3. Step 3: Cross multiply
    991,302.48x = 1,367,952.84 × 561,573.84
  4. Step 4: Simplify right side
    991,302.48x = 768,206,529,297.71
  5. Step 5: Solve for x
    x = 768,206,529,297.71/991,302.48
  6. Step 6: Final answer
    x = 774,946.64

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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.