Home / 917,002.44-1,375,547.40-384,540.84

Finding the Fourth Proportional to 917,002.44, 1,375,547.40 and 384,540.84

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Solution

The fourth proportional to 917,002.44, 1,375,547.40 and 384,540.84 is: 576,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,002.44 : 1,375,547.40 = 384,540.84 : x
  2. Step 2: Convert to fraction form
    917,002.44/1,375,547.40 = 384,540.84/x
  3. Step 3: Cross multiply
    917,002.44x = 1,375,547.40 × 384,540.84
  4. Step 4: Simplify right side
    917,002.44x = 528,954,152,655.82
  5. Step 5: Solve for x
    x = 528,954,152,655.82/917,002.44
  6. Step 6: Final answer
    x = 576,829.60

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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.