Home / 938,779.56-1,407,607.08-298,806.84

Finding the Fourth Proportional to 938,779.56, 1,407,607.08 and 298,806.84

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Solution

The fourth proportional to 938,779.56, 1,407,607.08 and 298,806.84 is: 448,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,779.56 : 1,407,607.08 = 298,806.84 : x
  2. Step 2: Convert to fraction form
    938,779.56/1,407,607.08 = 298,806.84/x
  3. Step 3: Cross multiply
    938,779.56x = 1,407,607.08 × 298,806.84
  4. Step 4: Simplify right side
    938,779.56x = 420,602,623,536.43
  5. Step 5: Solve for x
    x = 420,602,623,536.43/938,779.56
  6. Step 6: Final answer
    x = 448,031.30

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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.