Home / 918,526.02-1,377,866.80-253,678.02

Finding the Fourth Proportional to 918,526.02, 1,377,866.80 and 253,678.02

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Solution

The fourth proportional to 918,526.02, 1,377,866.80 and 253,678.02 is: 380,538.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,526.02 : 1,377,866.80 = 253,678.02 : x
  2. Step 2: Convert to fraction form
    918,526.02/1,377,866.80 = 253,678.02/x
  3. Step 3: Cross multiply
    918,526.02x = 1,377,866.80 × 253,678.02
  4. Step 4: Simplify right side
    918,526.02x = 349,534,521,647.74
  5. Step 5: Solve for x
    x = 349,534,521,647.74/918,526.02
  6. Step 6: Final answer
    x = 380,538.51

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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.