Home / 980,323.02-1,352,868.75-550,634.22

Finding the Fourth Proportional to 980,323.02, 1,352,868.75 and 550,634.22

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Solution

The fourth proportional to 980,323.02, 1,352,868.75 and 550,634.22 is: 759,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,323.02 : 1,352,868.75 = 550,634.22 : x
  2. Step 2: Convert to fraction form
    980,323.02/1,352,868.75 = 550,634.22/x
  3. Step 3: Cross multiply
    980,323.02x = 1,352,868.75 × 550,634.22
  4. Step 4: Simplify right side
    980,323.02x = 744,935,828,918.63
  5. Step 5: Solve for x
    x = 744,935,828,918.63/980,323.02
  6. Step 6: Final answer
    x = 759,888.13

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1.5x scale

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.