Home / 716,865.21-1,075,141.80-236,979.63

Finding the Fourth Proportional to 716,865.21, 1,075,141.80 and 236,979.63

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Solution

The fourth proportional to 716,865.21, 1,075,141.80 and 236,979.63 is: 355,417.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,865.21 : 1,075,141.80 = 236,979.63 : x
  2. Step 2: Convert to fraction form
    716,865.21/1,075,141.80 = 236,979.63/x
  3. Step 3: Cross multiply
    716,865.21x = 1,075,141.80 × 236,979.63
  4. Step 4: Simplify right side
    716,865.21x = 254,786,705,961.53
  5. Step 5: Solve for x
    x = 254,786,705,961.53/716,865.21
  6. Step 6: Final answer
    x = 355,417.87

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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.