Home / 759,220.12-1,047,682.65-419,666.50

Finding the Fourth Proportional to 759,220.12, 1,047,682.65 and 419,666.50

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Solution

The fourth proportional to 759,220.12, 1,047,682.65 and 419,666.50 is: 579,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,220.12 : 1,047,682.65 = 419,666.50 : x
  2. Step 2: Convert to fraction form
    759,220.12/1,047,682.65 = 419,666.50/x
  3. Step 3: Cross multiply
    759,220.12x = 1,047,682.65 × 419,666.50
  4. Step 4: Simplify right side
    759,220.12x = 439,677,310,836.23
  5. Step 5: Solve for x
    x = 439,677,310,836.23/759,220.12
  6. Step 6: Final answer
    x = 579,117.04

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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.