Home / 724,802.24-1,000,273.44-402,512.32

Finding the Fourth Proportional to 724,802.24, 1,000,273.44 and 402,512.32

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Solution

The fourth proportional to 724,802.24, 1,000,273.44 and 402,512.32 is: 555,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,802.24 : 1,000,273.44 = 402,512.32 : x
  2. Step 2: Convert to fraction form
    724,802.24/1,000,273.44 = 402,512.32/x
  3. Step 3: Cross multiply
    724,802.24x = 1,000,273.44 × 402,512.32
  4. Step 4: Simplify right side
    724,802.24x = 402,622,382,968.78
  5. Step 5: Solve for x
    x = 402,622,382,968.78/724,802.24
  6. Step 6: Final answer
    x = 555,492.74

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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.