Home / 450,062.02-620,521.05-288,632.26

Finding the Fourth Proportional to 450,062.02, 620,521.05 and 288,632.26

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Solution

The fourth proportional to 450,062.02, 620,521.05 and 288,632.26 is: 397,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,062.02 : 620,521.05 = 288,632.26 : x
  2. Step 2: Convert to fraction form
    450,062.02/620,521.05 = 288,632.26/x
  3. Step 3: Cross multiply
    450,062.02x = 620,521.05 × 288,632.26
  4. Step 4: Simplify right side
    450,062.02x = 179,102,393,039.07
  5. Step 5: Solve for x
    x = 179,102,393,039.07/450,062.02
  6. Step 6: Final answer
    x = 397,950.47

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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.