Home / 991,145.83-1,367,671.55-549,609.30

Finding the Fourth Proportional to 991,145.83, 1,367,671.55 and 549,609.30

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Solution

The fourth proportional to 991,145.83, 1,367,671.55 and 549,609.30 is: 758,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,145.83 : 1,367,671.55 = 549,609.30 : x
  2. Step 2: Convert to fraction form
    991,145.83/1,367,671.55 = 549,609.30/x
  3. Step 3: Cross multiply
    991,145.83x = 1,367,671.55 × 549,609.30
  4. Step 4: Simplify right side
    991,145.83x = 751,685,005,270.57
  5. Step 5: Solve for x
    x = 751,685,005,270.57/991,145.83
  6. Step 6: Final answer
    x = 758,400.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.