Home / 913,329.55-1,260,397.23-505,459.51

Finding the Fourth Proportional to 913,329.55, 1,260,397.23 and 505,459.51

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Solution

The fourth proportional to 913,329.55, 1,260,397.23 and 505,459.51 is: 697,535.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,329.55 : 1,260,397.23 = 505,459.51 : x
  2. Step 2: Convert to fraction form
    913,329.55/1,260,397.23 = 505,459.51/x
  3. Step 3: Cross multiply
    913,329.55x = 1,260,397.23 × 505,459.51
  4. Step 4: Simplify right side
    913,329.55x = 637,079,766,281.16
  5. Step 5: Solve for x
    x = 637,079,766,281.16/913,329.55
  6. Step 6: Final answer
    x = 697,535.48

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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.