Home / 913,909.64-1,261,234.70-506,011.46

Finding the Fourth Proportional to 913,909.64, 1,261,234.70 and 506,011.46

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Solution

The fourth proportional to 913,909.64, 1,261,234.70 and 506,011.46 is: 698,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,909.64 : 1,261,234.70 = 506,011.46 : x
  2. Step 2: Convert to fraction form
    913,909.64/1,261,234.70 = 506,011.46/x
  3. Step 3: Cross multiply
    913,909.64x = 1,261,234.70 × 506,011.46
  4. Step 4: Simplify right side
    913,909.64x = 638,199,203,113.43
  5. Step 5: Solve for x
    x = 638,199,203,113.43/913,909.64
  6. Step 6: Final answer
    x = 698,317.62

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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.