Home / 864,007.70-1,296,011.55-549,857.30

Finding the Fourth Proportional to 864,007.70, 1,296,011.55 and 549,857.30

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Solution

The fourth proportional to 864,007.70, 1,296,011.55 and 549,857.30 is: 824,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,007.70 : 1,296,011.55 = 549,857.30 : x
  2. Step 2: Convert to fraction form
    864,007.70/1,296,011.55 = 549,857.30/x
  3. Step 3: Cross multiply
    864,007.70x = 1,296,011.55 × 549,857.30
  4. Step 4: Simplify right side
    864,007.70x = 712,621,411,651.82
  5. Step 5: Solve for x
    x = 712,621,411,651.82/864,007.70
  6. Step 6: Final answer
    x = 824,785.95

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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.