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Finding the Fourth Proportional to 536,674.72, 740,315.28 and 435,897.76

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Solution

The fourth proportional to 536,674.72, 740,315.28 and 435,897.76 is: 601,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,674.72 : 740,315.28 = 435,897.76 : x
  2. Step 2: Convert to fraction form
    536,674.72/740,315.28 = 435,897.76/x
  3. Step 3: Cross multiply
    536,674.72x = 740,315.28 × 435,897.76
  4. Step 4: Simplify right side
    536,674.72x = 322,701,772,245.77
  5. Step 5: Solve for x
    x = 322,701,772,245.77/536,674.72
  6. Step 6: Final answer
    x = 601,298.63

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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.