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Finding the Fourth Proportional to 536,657.77, 740,572.06 and 307,207.45

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Solution

The fourth proportional to 536,657.77, 740,572.06 and 307,207.45 is: 423,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,657.77 : 740,572.06 = 307,207.45 : x
  2. Step 2: Convert to fraction form
    536,657.77/740,572.06 = 307,207.45/x
  3. Step 3: Cross multiply
    536,657.77x = 740,572.06 × 307,207.45
  4. Step 4: Simplify right side
    536,657.77x = 227,509,254,093.85
  5. Step 5: Solve for x
    x = 227,509,254,093.85/536,657.77
  6. Step 6: Final answer
    x = 423,937.32

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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.