Home / 716,039.40-1,073,907.81-210,462.87

Finding the Fourth Proportional to 716,039.40, 1,073,907.81 and 210,462.87

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Solution

The fourth proportional to 716,039.40, 1,073,907.81 and 210,462.87 is: 315,649.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,039.40 : 1,073,907.81 = 210,462.87 : x
  2. Step 2: Convert to fraction form
    716,039.40/1,073,907.81 = 210,462.87/x
  3. Step 3: Cross multiply
    716,039.40x = 1,073,907.81 × 210,462.87
  4. Step 4: Simplify right side
    716,039.40x = 226,017,719,808.02
  5. Step 5: Solve for x
    x = 226,017,719,808.02/716,039.40
  6. Step 6: Final answer
    x = 315,649.84

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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.