Home / 740,266.80-1,021,628.52-418,055.28

Finding the Fourth Proportional to 740,266.80, 1,021,628.52 and 418,055.28

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Solution

The fourth proportional to 740,266.80, 1,021,628.52 and 418,055.28 is: 576,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,266.80 : 1,021,628.52 = 418,055.28 : x
  2. Step 2: Convert to fraction form
    740,266.80/1,021,628.52 = 418,055.28/x
  3. Step 3: Cross multiply
    740,266.80x = 1,021,628.52 × 418,055.28
  4. Step 4: Simplify right side
    740,266.80x = 427,097,196,984.59
  5. Step 5: Solve for x
    x = 427,097,196,984.59/740,266.80
  6. Step 6: Final answer
    x = 576,950.36

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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.