Home / 545,908.04-753,345.48-304,200.80

Finding the Fourth Proportional to 545,908.04, 753,345.48 and 304,200.80

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Solution

The fourth proportional to 545,908.04, 753,345.48 and 304,200.80 is: 419,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,908.04 : 753,345.48 = 304,200.80 : x
  2. Step 2: Convert to fraction form
    545,908.04/753,345.48 = 304,200.80/x
  3. Step 3: Cross multiply
    545,908.04x = 753,345.48 × 304,200.80
  4. Step 4: Simplify right side
    545,908.04x = 229,168,297,692.38
  5. Step 5: Solve for x
    x = 229,168,297,692.38/545,908.04
  6. Step 6: Final answer
    x = 419,792.86

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Double scale
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1.5x scale

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.