Home / 898,404.90-1,347,279.30-299,385.60

Finding the Fourth Proportional to 898,404.90, 1,347,279.30 and 299,385.60

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Solution

The fourth proportional to 898,404.90, 1,347,279.30 and 299,385.60 is: 448,969.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,404.90 : 1,347,279.30 = 299,385.60 : x
  2. Step 2: Convert to fraction form
    898,404.90/1,347,279.30 = 299,385.60/x
  3. Step 3: Cross multiply
    898,404.90x = 1,347,279.30 × 299,385.60
  4. Step 4: Simplify right side
    898,404.90x = 403,356,021,598.08
  5. Step 5: Solve for x
    x = 403,356,021,598.08/898,404.90
  6. Step 6: Final answer
    x = 448,969.08

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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.