Home / 759,282.81-1,047,832.15-419,772.93

Finding the Fourth Proportional to 759,282.81, 1,047,832.15 and 419,772.93

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Solution

The fourth proportional to 759,282.81, 1,047,832.15 and 419,772.93 is: 579,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,282.81 : 1,047,832.15 = 419,772.93 : x
  2. Step 2: Convert to fraction form
    759,282.81/1,047,832.15 = 419,772.93/x
  3. Step 3: Cross multiply
    759,282.81x = 1,047,832.15 × 419,772.93
  4. Step 4: Simplify right side
    759,282.81x = 439,851,575,422.71
  5. Step 5: Solve for x
    x = 439,851,575,422.71/759,282.81
  6. Step 6: Final answer
    x = 579,298.74

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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.