Home / 760,571.57-1,139,217.31-715,855.93

Finding the Fourth Proportional to 760,571.57, 1,139,217.31 and 715,855.93

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Solution

The fourth proportional to 760,571.57, 1,139,217.31 and 715,855.93 is: 1,072,240.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,571.57 : 1,139,217.31 = 715,855.93 : x
  2. Step 2: Convert to fraction form
    760,571.57/1,139,217.31 = 715,855.93/x
  3. Step 3: Cross multiply
    760,571.57x = 1,139,217.31 × 715,855.93
  4. Step 4: Simplify right side
    760,571.57x = 815,515,464,968.93
  5. Step 5: Solve for x
    x = 815,515,464,968.93/760,571.57
  6. Step 6: Final answer
    x = 1,072,240.27

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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.