Home / 898,147.36-1,347,473.76-392,752.72

Finding the Fourth Proportional to 898,147.36, 1,347,473.76 and 392,752.72

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Solution

The fourth proportional to 898,147.36, 1,347,473.76 and 392,752.72 is: 589,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,147.36 : 1,347,473.76 = 392,752.72 : x
  2. Step 2: Convert to fraction form
    898,147.36/1,347,473.76 = 392,752.72/x
  3. Step 3: Cross multiply
    898,147.36x = 1,347,473.76 × 392,752.72
  4. Step 4: Simplify right side
    898,147.36x = 529,223,984,368.63
  5. Step 5: Solve for x
    x = 529,223,984,368.63/898,147.36
  6. Step 6: Final answer
    x = 589,239.59

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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.