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Finding the Fourth Proportional to 819,384.96, 1,130,756.48 and 456,832

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Solution

The fourth proportional to 819,384.96, 1,130,756.48 and 456,832 is: 630,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,384.96 : 1,130,756.48 = 456,832 : x
  2. Step 2: Convert to fraction form
    819,384.96/1,130,756.48 = 456,832/x
  3. Step 3: Cross multiply
    819,384.96x = 1,130,756.48 × 456,832
  4. Step 4: Simplify right side
    819,384.96x = 516,565,744,271.36
  5. Step 5: Solve for x
    x = 516,565,744,271.36/819,384.96
  6. Step 6: Final answer
    x = 630,431.08

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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.