Home / 927,322.10-1,390,637.55-328,051.70

Finding the Fourth Proportional to 927,322.10, 1,390,637.55 and 328,051.70

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Solution

The fourth proportional to 927,322.10, 1,390,637.55 and 328,051.70 is: 491,955.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,322.10 : 1,390,637.55 = 328,051.70 : x
  2. Step 2: Convert to fraction form
    927,322.10/1,390,637.55 = 328,051.70/x
  3. Step 3: Cross multiply
    927,322.10x = 1,390,637.55 × 328,051.70
  4. Step 4: Simplify right side
    927,322.10x = 456,201,012,361.34
  5. Step 5: Solve for x
    x = 456,201,012,361.34/927,322.10
  6. Step 6: Final answer
    x = 491,955.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.