Home / 720,403.51-1,079,639.34-560,672.32

Finding the Fourth Proportional to 720,403.51, 1,079,639.34 and 560,672.32

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Solution

The fourth proportional to 720,403.51, 1,079,639.34 and 560,672.32 is: 840,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,403.51 : 1,079,639.34 = 560,672.32 : x
  2. Step 2: Convert to fraction form
    720,403.51/1,079,639.34 = 560,672.32/x
  3. Step 3: Cross multiply
    720,403.51x = 1,079,639.34 × 560,672.32
  4. Step 4: Simplify right side
    720,403.51x = 605,323,893,521.07
  5. Step 5: Solve for x
    x = 605,323,893,521.07/720,403.51
  6. Step 6: Final answer
    x = 840,256.72

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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.