Home / 648,005.30-971,570.55-344,449.70

Finding the Fourth Proportional to 648,005.30, 971,570.55 and 344,449.70

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Solution

The fourth proportional to 648,005.30, 971,570.55 and 344,449.70 is: 516,442.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,005.30 : 971,570.55 = 344,449.70 : x
  2. Step 2: Convert to fraction form
    648,005.30/971,570.55 = 344,449.70/x
  3. Step 3: Cross multiply
    648,005.30x = 971,570.55 × 344,449.70
  4. Step 4: Simplify right side
    648,005.30x = 334,657,184,476.34
  5. Step 5: Solve for x
    x = 334,657,184,476.34/648,005.30
  6. Step 6: Final answer
    x = 516,442.05

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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.