Home / 970,496.75-1,339,267.57-528,975.13

Finding the Fourth Proportional to 970,496.75, 1,339,267.57 and 528,975.13

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Solution

The fourth proportional to 970,496.75, 1,339,267.57 and 528,975.13 is: 729,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,496.75 : 1,339,267.57 = 528,975.13 : x
  2. Step 2: Convert to fraction form
    970,496.75/1,339,267.57 = 528,975.13/x
  3. Step 3: Cross multiply
    970,496.75x = 1,339,267.57 × 528,975.13
  4. Step 4: Simplify right side
    970,496.75x = 708,439,232,274.93
  5. Step 5: Solve for x
    x = 708,439,232,274.93/970,496.75
  6. Step 6: Final answer
    x = 729,975.90

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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.