Home / 719,568.12-1,079,155.14-270,254.23

Finding the Fourth Proportional to 719,568.12, 1,079,155.14 and 270,254.23

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Solution

The fourth proportional to 719,568.12, 1,079,155.14 and 270,254.23 is: 405,307.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,568.12 : 1,079,155.14 = 270,254.23 : x
  2. Step 2: Convert to fraction form
    719,568.12/1,079,155.14 = 270,254.23/x
  3. Step 3: Cross multiply
    719,568.12x = 1,079,155.14 × 270,254.23
  4. Step 4: Simplify right side
    719,568.12x = 291,646,241,411.24
  5. Step 5: Solve for x
    x = 291,646,241,411.24/719,568.12
  6. Step 6: Final answer
    x = 405,307.34

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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.