Home / 715,448.72-1,073,205.68-506,021.60

Finding the Fourth Proportional to 715,448.72, 1,073,205.68 and 506,021.60

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Solution

The fourth proportional to 715,448.72, 1,073,205.68 and 506,021.60 is: 759,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,448.72 : 1,073,205.68 = 506,021.60 : x
  2. Step 2: Convert to fraction form
    715,448.72/1,073,205.68 = 506,021.60/x
  3. Step 3: Cross multiply
    715,448.72x = 1,073,205.68 × 506,021.60
  4. Step 4: Simplify right side
    715,448.72x = 543,065,255,322.69
  5. Step 5: Solve for x
    x = 543,065,255,322.69/715,448.72
  6. Step 6: Final answer
    x = 759,055.46

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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.