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Finding the Fourth Proportional to 650,389.05, 975,578.18 and 508,353.72

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Solution

The fourth proportional to 650,389.05, 975,578.18 and 508,353.72 is: 762,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,389.05 : 975,578.18 = 508,353.72 : x
  2. Step 2: Convert to fraction form
    650,389.05/975,578.18 = 508,353.72/x
  3. Step 3: Cross multiply
    650,389.05x = 975,578.18 × 508,353.72
  4. Step 4: Simplify right side
    650,389.05x = 495,938,794,412.06
  5. Step 5: Solve for x
    x = 495,938,794,412.06/650,389.05
  6. Step 6: Final answer
    x = 762,526.36

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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.