Home / 918,529.02-1,377,871.30-253,681.02

Finding the Fourth Proportional to 918,529.02, 1,377,871.30 and 253,681.02

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Solution

The fourth proportional to 918,529.02, 1,377,871.30 and 253,681.02 is: 380,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,529.02 : 1,377,871.30 = 253,681.02 : x
  2. Step 2: Convert to fraction form
    918,529.02/1,377,871.30 = 253,681.02/x
  3. Step 3: Cross multiply
    918,529.02x = 1,377,871.30 × 253,681.02
  4. Step 4: Simplify right side
    918,529.02x = 349,539,796,812.73
  5. Step 5: Solve for x
    x = 349,539,796,812.73/918,529.02
  6. Step 6: Final answer
    x = 380,543.01

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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.