Home / 942,479.21-1,300,643.78-534,608.57

Finding the Fourth Proportional to 942,479.21, 1,300,643.78 and 534,608.57

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Solution

The fourth proportional to 942,479.21, 1,300,643.78 and 534,608.57 is: 737,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,479.21 : 1,300,643.78 = 534,608.57 : x
  2. Step 2: Convert to fraction form
    942,479.21/1,300,643.78 = 534,608.57/x
  3. Step 3: Cross multiply
    942,479.21x = 1,300,643.78 × 534,608.57
  4. Step 4: Simplify right side
    942,479.21x = 695,335,302,128.93
  5. Step 5: Solve for x
    x = 695,335,302,128.93/942,479.21
  6. Step 6: Final answer
    x = 737,772.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.