Home / 745,980.17-1,118,969.24-346,402.44

Finding the Fourth Proportional to 745,980.17, 1,118,969.24 and 346,402.44

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Solution

The fourth proportional to 745,980.17, 1,118,969.24 and 346,402.44 is: 519,603.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,980.17 : 1,118,969.24 = 346,402.44 : x
  2. Step 2: Convert to fraction form
    745,980.17/1,118,969.24 = 346,402.44/x
  3. Step 3: Cross multiply
    745,980.17x = 1,118,969.24 × 346,402.44
  4. Step 4: Simplify right side
    745,980.17x = 387,613,673,288.93
  5. Step 5: Solve for x
    x = 387,613,673,288.93/745,980.17
  6. Step 6: Final answer
    x = 519,603.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.