Home / 913,329.63-1,260,397.35-505,459.60

Finding the Fourth Proportional to 913,329.63, 1,260,397.35 and 505,459.60

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Solution

The fourth proportional to 913,329.63, 1,260,397.35 and 505,459.60 is: 697,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,329.63 : 1,260,397.35 = 505,459.60 : x
  2. Step 2: Convert to fraction form
    913,329.63/1,260,397.35 = 505,459.60/x
  3. Step 3: Cross multiply
    913,329.63x = 1,260,397.35 × 505,459.60
  4. Step 4: Simplify right side
    913,329.63x = 637,079,937,221.07
  5. Step 5: Solve for x
    x = 637,079,937,221.07/913,329.63
  6. Step 6: Final answer
    x = 697,535.61

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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.