Home / 790,148.71-1,090,138.33-514,380.67

Finding the Fourth Proportional to 790,148.71, 1,090,138.33 and 514,380.67

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Solution

The fourth proportional to 790,148.71, 1,090,138.33 and 514,380.67 is: 709,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,148.71 : 1,090,138.33 = 514,380.67 : x
  2. Step 2: Convert to fraction form
    790,148.71/1,090,138.33 = 514,380.67/x
  3. Step 3: Cross multiply
    790,148.71x = 1,090,138.33 × 514,380.67
  4. Step 4: Simplify right side
    790,148.71x = 560,746,084,578.08
  5. Step 5: Solve for x
    x = 560,746,084,578.08/790,148.71
  6. Step 6: Final answer
    x = 709,671.58

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Double scale
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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.