Home / 748,802.64-1,033,332.40-409,273.32

Finding the Fourth Proportional to 748,802.64, 1,033,332.40 and 409,273.32

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Solution

The fourth proportional to 748,802.64, 1,033,332.40 and 409,273.32 is: 564,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,802.64 : 1,033,332.40 = 409,273.32 : x
  2. Step 2: Convert to fraction form
    748,802.64/1,033,332.40 = 409,273.32/x
  3. Step 3: Cross multiply
    748,802.64x = 1,033,332.40 × 409,273.32
  4. Step 4: Simplify right side
    748,802.64x = 422,915,382,011.57
  5. Step 5: Solve for x
    x = 422,915,382,011.57/748,802.64
  6. Step 6: Final answer
    x = 564,788.85

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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.