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Finding the Fourth Proportional to 536,656.77, 740,570.69 and 307,206.45

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Solution

The fourth proportional to 536,656.77, 740,570.69 and 307,206.45 is: 423,935.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,656.77 : 740,570.69 = 307,206.45 : x
  2. Step 2: Convert to fraction form
    536,656.77/740,570.69 = 307,206.45/x
  3. Step 3: Cross multiply
    536,656.77x = 740,570.69 × 307,206.45
  4. Step 4: Simplify right side
    536,656.77x = 227,508,091,112.92
  5. Step 5: Solve for x
    x = 227,508,091,112.92/536,656.77
  6. Step 6: Final answer
    x = 423,935.94

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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.