Home / 784,078.52-1,175,801.18-304,053.57

Finding the Fourth Proportional to 784,078.52, 1,175,801.18 and 304,053.57

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Solution

The fourth proportional to 784,078.52, 1,175,801.18 and 304,053.57 is: 455,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,078.52 : 1,175,801.18 = 304,053.57 : x
  2. Step 2: Convert to fraction form
    784,078.52/1,175,801.18 = 304,053.57/x
  3. Step 3: Cross multiply
    784,078.52x = 1,175,801.18 × 304,053.57
  4. Step 4: Simplify right side
    784,078.52x = 357,506,544,868.95
  5. Step 5: Solve for x
    x = 357,506,544,868.95/784,078.52
  6. Step 6: Final answer
    x = 455,957.58

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Double scale
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1.5x scale

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.