Home / 790,340.69-1,090,696.56-484,357.94

Finding the Fourth Proportional to 790,340.69, 1,090,696.56 and 484,357.94

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Solution

The fourth proportional to 790,340.69, 1,090,696.56 and 484,357.94 is: 668,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,340.69 : 1,090,696.56 = 484,357.94 : x
  2. Step 2: Convert to fraction form
    790,340.69/1,090,696.56 = 484,357.94/x
  3. Step 3: Cross multiply
    790,340.69x = 1,090,696.56 × 484,357.94
  4. Step 4: Simplify right side
    790,340.69x = 528,287,536,544.90
  5. Step 5: Solve for x
    x = 528,287,536,544.90/790,340.69
  6. Step 6: Final answer
    x = 668,430.14

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1.5x scale

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.