Home / 864,006.20-1,296,009.30-549,855.80

Finding the Fourth Proportional to 864,006.20, 1,296,009.30 and 549,855.80

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Solution

The fourth proportional to 864,006.20, 1,296,009.30 and 549,855.80 is: 824,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,006.20 : 1,296,009.30 = 549,855.80 : x
  2. Step 2: Convert to fraction form
    864,006.20/1,296,009.30 = 549,855.80/x
  3. Step 3: Cross multiply
    864,006.20x = 1,296,009.30 × 549,855.80
  4. Step 4: Simplify right side
    864,006.20x = 712,618,230,458.94
  5. Step 5: Solve for x
    x = 712,618,230,458.94/864,006.20
  6. Step 6: Final answer
    x = 824,783.70

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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.