Home / 913,549.89-1,260,666.66-505,652.52

Finding the Fourth Proportional to 913,549.89, 1,260,666.66 and 505,652.52

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Solution

The fourth proportional to 913,549.89, 1,260,666.66 and 505,652.52 is: 697,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,549.89 : 1,260,666.66 = 505,652.52 : x
  2. Step 2: Convert to fraction form
    913,549.89/1,260,666.66 = 505,652.52/x
  3. Step 3: Cross multiply
    913,549.89x = 1,260,666.66 × 505,652.52
  4. Step 4: Simplify right side
    913,549.89x = 637,459,273,508.98
  5. Step 5: Solve for x
    x = 637,459,273,508.98/913,549.89
  6. Step 6: Final answer
    x = 697,782.66

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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.