Home / 760,584.42-1,139,236.47-715,868.64

Finding the Fourth Proportional to 760,584.42, 1,139,236.47 and 715,868.64

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Solution

The fourth proportional to 760,584.42, 1,139,236.47 and 715,868.64 is: 1,072,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,584.42 : 1,139,236.47 = 715,868.64 : x
  2. Step 2: Convert to fraction form
    760,584.42/1,139,236.47 = 715,868.64/x
  3. Step 3: Cross multiply
    760,584.42x = 1,139,236.47 × 715,868.64
  4. Step 4: Simplify right side
    760,584.42x = 815,543,662,417.30
  5. Step 5: Solve for x
    x = 815,543,662,417.30/760,584.42
  6. Step 6: Final answer
    x = 1,072,259.23

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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.