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Finding the Fourth Proportional to 552,110.69, 761,440.41 and 380,302.71

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Solution

The fourth proportional to 552,110.69, 761,440.41 and 380,302.71 is: 524,492.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,110.69 : 761,440.41 = 380,302.71 : x
  2. Step 2: Convert to fraction form
    552,110.69/761,440.41 = 380,302.71/x
  3. Step 3: Cross multiply
    552,110.69x = 761,440.41 × 380,302.71
  4. Step 4: Simplify right side
    552,110.69x = 289,577,851,426.51
  5. Step 5: Solve for x
    x = 289,577,851,426.51/552,110.69
  6. Step 6: Final answer
    x = 524,492.39

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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.