Home / 847,155.56-1,169,069.40-484,585.47

Finding the Fourth Proportional to 847,155.56, 1,169,069.40 and 484,585.47

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Solution

The fourth proportional to 847,155.56, 1,169,069.40 and 484,585.47 is: 668,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,155.56 : 1,169,069.40 = 484,585.47 : x
  2. Step 2: Convert to fraction form
    847,155.56/1,169,069.40 = 484,585.47/x
  3. Step 3: Cross multiply
    847,155.56x = 1,169,069.40 × 484,585.47
  4. Step 4: Simplify right side
    847,155.56x = 566,514,044,661.62
  5. Step 5: Solve for x
    x = 566,514,044,661.62/847,155.56
  6. Step 6: Final answer
    x = 668,724.94

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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.