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Finding the Fourth Proportional to 536,271.91, 740,106.63 and 306,783.63

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Solution

The fourth proportional to 536,271.91, 740,106.63 and 306,783.63 is: 423,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,271.91 : 740,106.63 = 306,783.63 : x
  2. Step 2: Convert to fraction form
    536,271.91/740,106.63 = 306,783.63/x
  3. Step 3: Cross multiply
    536,271.91x = 740,106.63 × 306,783.63
  4. Step 4: Simplify right side
    536,271.91x = 227,052,598,538.47
  5. Step 5: Solve for x
    x = 227,052,598,538.47/536,271.91
  6. Step 6: Final answer
    x = 423,390.81

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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.