Home / 918,654.04-1,377,674.46-386,075.80

Finding the Fourth Proportional to 918,654.04, 1,377,674.46 and 386,075.80

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Solution

The fourth proportional to 918,654.04, 1,377,674.46 and 386,075.80 is: 578,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,654.04 : 1,377,674.46 = 386,075.80 : x
  2. Step 2: Convert to fraction form
    918,654.04/1,377,674.46 = 386,075.80/x
  3. Step 3: Cross multiply
    918,654.04x = 1,377,674.46 × 386,075.80
  4. Step 4: Simplify right side
    918,654.04x = 531,886,769,284.07
  5. Step 5: Solve for x
    x = 531,886,769,284.07/918,654.04
  6. Step 6: Final answer
    x = 578,984.85

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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.