Home / 720,053.80-1,079,562.30-404,607.40

Finding the Fourth Proportional to 720,053.80, 1,079,562.30 and 404,607.40

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Solution

The fourth proportional to 720,053.80, 1,079,562.30 and 404,607.40 is: 606,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,053.80 : 1,079,562.30 = 404,607.40 : x
  2. Step 2: Convert to fraction form
    720,053.80/1,079,562.30 = 404,607.40/x
  3. Step 3: Cross multiply
    720,053.80x = 1,079,562.30 × 404,607.40
  4. Step 4: Simplify right side
    720,053.80x = 436,798,895,341.02
  5. Step 5: Solve for x
    x = 436,798,895,341.02/720,053.80
  6. Step 6: Final answer
    x = 606,619.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.