Home / 745,972.90-1,118,958.36-346,395.22

Finding the Fourth Proportional to 745,972.90, 1,118,958.36 and 346,395.22

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Solution

The fourth proportional to 745,972.90, 1,118,958.36 and 346,395.22 is: 519,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,972.90 : 1,118,958.36 = 346,395.22 : x
  2. Step 2: Convert to fraction form
    745,972.90/1,118,958.36 = 346,395.22/x
  3. Step 3: Cross multiply
    745,972.90x = 1,118,958.36 × 346,395.22
  4. Step 4: Simplify right side
    745,972.90x = 387,601,827,283.04
  5. Step 5: Solve for x
    x = 387,601,827,283.04/745,972.90
  6. Step 6: Final answer
    x = 519,592.37

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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.