Home / 798,555.71-1,102,022.47-435,980.50

Finding the Fourth Proportional to 798,555.71, 1,102,022.47 and 435,980.50

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Solution

The fourth proportional to 798,555.71, 1,102,022.47 and 435,980.50 is: 601,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,555.71 : 1,102,022.47 = 435,980.50 : x
  2. Step 2: Convert to fraction form
    798,555.71/1,102,022.47 = 435,980.50/x
  3. Step 3: Cross multiply
    798,555.71x = 1,102,022.47 × 435,980.50
  4. Step 4: Simplify right side
    798,555.71x = 480,460,305,918.80
  5. Step 5: Solve for x
    x = 480,460,305,918.80/798,555.71
  6. Step 6: Final answer
    x = 601,661.60

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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.