Home / 745,837.12-1,118,148.36-346,729.60

Finding the Fourth Proportional to 745,837.12, 1,118,148.36 and 346,729.60

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Solution

The fourth proportional to 745,837.12, 1,118,148.36 and 346,729.60 is: 519,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,837.12 : 1,118,148.36 = 346,729.60 : x
  2. Step 2: Convert to fraction form
    745,837.12/1,118,148.36 = 346,729.60/x
  3. Step 3: Cross multiply
    745,837.12x = 1,118,148.36 × 346,729.60
  4. Step 4: Simplify right side
    745,837.12x = 387,695,133,603.46
  5. Step 5: Solve for x
    x = 387,695,133,603.46/745,837.12
  6. Step 6: Final answer
    x = 519,812.07

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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.