Home / 918,521.02-1,377,859.29-253,673.02

Finding the Fourth Proportional to 918,521.02, 1,377,859.29 and 253,673.02

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Solution

The fourth proportional to 918,521.02, 1,377,859.29 and 253,673.02 is: 380,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,521.02 : 1,377,859.29 = 253,673.02 : x
  2. Step 2: Convert to fraction form
    918,521.02/1,377,859.29 = 253,673.02/x
  3. Step 3: Cross multiply
    918,521.02x = 1,377,859.29 × 253,673.02
  4. Step 4: Simplify right side
    918,521.02x = 349,525,727,229.36
  5. Step 5: Solve for x
    x = 349,525,727,229.36/918,521.02
  6. Step 6: Final answer
    x = 380,531.01

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1.5x scale

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.