Home / 790,347.69-1,090,706.22-484,364.96

Finding the Fourth Proportional to 790,347.69, 1,090,706.22 and 484,364.96

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Solution

The fourth proportional to 790,347.69, 1,090,706.22 and 484,364.96 is: 668,439.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,347.69 : 1,090,706.22 = 484,364.96 : x
  2. Step 2: Convert to fraction form
    790,347.69/1,090,706.22 = 484,364.96/x
  3. Step 3: Cross multiply
    790,347.69x = 1,090,706.22 × 484,364.96
  4. Step 4: Simplify right side
    790,347.69x = 528,299,873,258.67
  5. Step 5: Solve for x
    x = 528,299,873,258.67/790,347.69
  6. Step 6: Final answer
    x = 668,439.83

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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.