Home / 759,312.63-1,047,806.40-419,760.63

Finding the Fourth Proportional to 759,312.63, 1,047,806.40 and 419,760.63

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Solution

The fourth proportional to 759,312.63, 1,047,806.40 and 419,760.63 is: 579,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,312.63 : 1,047,806.40 = 419,760.63 : x
  2. Step 2: Convert to fraction form
    759,312.63/1,047,806.40 = 419,760.63/x
  3. Step 3: Cross multiply
    759,312.63x = 1,047,806.40 × 419,760.63
  4. Step 4: Simplify right side
    759,312.63x = 439,827,874,582.03
  5. Step 5: Solve for x
    x = 439,827,874,582.03/759,312.63
  6. Step 6: Final answer
    x = 579,244.78

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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.