Home / 529,943.88-731,038.66-368,518.68

Finding the Fourth Proportional to 529,943.88, 731,038.66 and 368,518.68

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Solution

The fourth proportional to 529,943.88, 731,038.66 and 368,518.68 is: 508,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,943.88 : 731,038.66 = 368,518.68 : x
  2. Step 2: Convert to fraction form
    529,943.88/731,038.66 = 368,518.68/x
  3. Step 3: Cross multiply
    529,943.88x = 731,038.66 × 368,518.68
  4. Step 4: Simplify right side
    529,943.88x = 269,401,402,012.17
  5. Step 5: Solve for x
    x = 269,401,402,012.17/529,943.88
  6. Step 6: Final answer
    x = 508,358.36

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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.