Home / 918,653.04-1,377,672.96-386,074.80

Finding the Fourth Proportional to 918,653.04, 1,377,672.96 and 386,074.80

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Solution

The fourth proportional to 918,653.04, 1,377,672.96 and 386,074.80 is: 578,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,653.04 : 1,377,672.96 = 386,074.80 : x
  2. Step 2: Convert to fraction form
    918,653.04/1,377,672.96 = 386,074.80/x
  3. Step 3: Cross multiply
    918,653.04x = 1,377,672.96 × 386,074.80
  4. Step 4: Simplify right side
    918,653.04x = 531,884,812,497.41
  5. Step 5: Solve for x
    x = 531,884,812,497.41/918,653.04
  6. Step 6: Final answer
    x = 578,983.35

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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.