Home / 740,064.24-1,021,485.84-417,962.88

Finding the Fourth Proportional to 740,064.24, 1,021,485.84 and 417,962.88

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Solution

The fourth proportional to 740,064.24, 1,021,485.84 and 417,962.88 is: 576,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,064.24 : 1,021,485.84 = 417,962.88 : x
  2. Step 2: Convert to fraction form
    740,064.24/1,021,485.84 = 417,962.88/x
  3. Step 3: Cross multiply
    740,064.24x = 1,021,485.84 × 417,962.88
  4. Step 4: Simplify right side
    740,064.24x = 426,943,163,565.62
  5. Step 5: Solve for x
    x = 426,943,163,565.62/740,064.24
  6. Step 6: Final answer
    x = 576,900.14

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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.