Home / 748,558.37-1,122,842.40-299,316.98

Finding the Fourth Proportional to 748,558.37, 1,122,842.40 and 299,316.98

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Solution

The fourth proportional to 748,558.37, 1,122,842.40 and 299,316.98 is: 448,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,558.37 : 1,122,842.40 = 299,316.98 : x
  2. Step 2: Convert to fraction form
    748,558.37/1,122,842.40 = 299,316.98/x
  3. Step 3: Cross multiply
    748,558.37x = 1,122,842.40 × 299,316.98
  4. Step 4: Simplify right side
    748,558.37x = 336,085,790,569.74
  5. Step 5: Solve for x
    x = 336,085,790,569.74/748,558.37
  6. Step 6: Final answer
    x = 448,977.40

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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.