Home / 549,530.10-823,258.35-512,205.30

Finding the Fourth Proportional to 549,530.10, 823,258.35 and 512,205.30

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Solution

The fourth proportional to 549,530.10, 823,258.35 and 512,205.30 is: 767,341.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,530.10 : 823,258.35 = 512,205.30 : x
  2. Step 2: Convert to fraction form
    549,530.10/823,258.35 = 512,205.30/x
  3. Step 3: Cross multiply
    549,530.10x = 823,258.35 × 512,205.30
  4. Step 4: Simplify right side
    549,530.10x = 421,677,290,139.26
  5. Step 5: Solve for x
    x = 421,677,290,139.26/549,530.10
  6. Step 6: Final answer
    x = 767,341.57

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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.