Home / 839,476.90-1,158,519.19-472,069.67

Finding the Fourth Proportional to 839,476.90, 1,158,519.19 and 472,069.67

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Solution

The fourth proportional to 839,476.90, 1,158,519.19 and 472,069.67 is: 651,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,476.90 : 1,158,519.19 = 472,069.67 : x
  2. Step 2: Convert to fraction form
    839,476.90/1,158,519.19 = 472,069.67/x
  3. Step 3: Cross multiply
    839,476.90x = 1,158,519.19 × 472,069.67
  4. Step 4: Simplify right side
    839,476.90x = 546,901,771,711.97
  5. Step 5: Solve for x
    x = 546,901,771,711.97/839,476.90
  6. Step 6: Final answer
    x = 651,479.24

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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.