Home / 850,487.10-1,173,616.50-468,513.90

Finding the Fourth Proportional to 850,487.10, 1,173,616.50 and 468,513.90

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Solution

The fourth proportional to 850,487.10, 1,173,616.50 and 468,513.90 is: 646,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,487.10 : 1,173,616.50 = 468,513.90 : x
  2. Step 2: Convert to fraction form
    850,487.10/1,173,616.50 = 468,513.90/x
  3. Step 3: Cross multiply
    850,487.10x = 1,173,616.50 × 468,513.90
  4. Step 4: Simplify right side
    850,487.10x = 549,855,643,519.35
  5. Step 5: Solve for x
    x = 549,855,643,519.35/850,487.10
  6. Step 6: Final answer
    x = 646,518.50

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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.