Home / 913,327.29-1,260,394.12-505,457.26

Finding the Fourth Proportional to 913,327.29, 1,260,394.12 and 505,457.26

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Solution

The fourth proportional to 913,327.29, 1,260,394.12 and 505,457.26 is: 697,532.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,327.29 : 1,260,394.12 = 505,457.26 : x
  2. Step 2: Convert to fraction form
    913,327.29/1,260,394.12 = 505,457.26/x
  3. Step 3: Cross multiply
    913,327.29x = 1,260,394.12 × 505,457.26
  4. Step 4: Simplify right side
    913,327.29x = 637,075,354,000.68
  5. Step 5: Solve for x
    x = 637,075,354,000.68/913,327.29
  6. Step 6: Final answer
    x = 697,532.38

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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.