Home / 716,786.40-1,075,365.80-267,510.69

Finding the Fourth Proportional to 716,786.40, 1,075,365.80 and 267,510.69

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Solution

The fourth proportional to 716,786.40, 1,075,365.80 and 267,510.69 is: 401,335.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,786.40 : 1,075,365.80 = 267,510.69 : x
  2. Step 2: Convert to fraction form
    716,786.40/1,075,365.80 = 267,510.69/x
  3. Step 3: Cross multiply
    716,786.40x = 1,075,365.80 × 267,510.69
  4. Step 4: Simplify right side
    716,786.40x = 287,671,845,822.85
  5. Step 5: Solve for x
    x = 287,671,845,822.85/716,786.40
  6. Step 6: Final answer
    x = 401,335.52

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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.