Home / 985,147.95-1,477,721.93-453,116.46

Finding the Fourth Proportional to 985,147.95, 1,477,721.93 and 453,116.46

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Solution

The fourth proportional to 985,147.95, 1,477,721.93 and 453,116.46 is: 679,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,147.95 : 1,477,721.93 = 453,116.46 : x
  2. Step 2: Convert to fraction form
    985,147.95/1,477,721.93 = 453,116.46/x
  3. Step 3: Cross multiply
    985,147.95x = 1,477,721.93 × 453,116.46
  4. Step 4: Simplify right side
    985,147.95x = 669,580,127,520.39
  5. Step 5: Solve for x
    x = 669,580,127,520.39/985,147.95
  6. Step 6: Final answer
    x = 679,674.69

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Similar ratio
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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.