Home / 850,678.74-1,173,988.92-468,705.42

Finding the Fourth Proportional to 850,678.74, 1,173,988.92 and 468,705.42

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Solution

The fourth proportional to 850,678.74, 1,173,988.92 and 468,705.42 is: 646,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,678.74 : 1,173,988.92 = 468,705.42 : x
  2. Step 2: Convert to fraction form
    850,678.74/1,173,988.92 = 468,705.42/x
  3. Step 3: Cross multiply
    850,678.74x = 1,173,988.92 × 468,705.42
  4. Step 4: Simplify right side
    850,678.74x = 550,254,969,823.95
  5. Step 5: Solve for x
    x = 550,254,969,823.95/850,678.74
  6. Step 6: Final answer
    x = 646,842.27

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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.