Home / 874,844.96-1,207,256.48-535,313.20

Finding the Fourth Proportional to 874,844.96, 1,207,256.48 and 535,313.20

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Solution

The fourth proportional to 874,844.96, 1,207,256.48 and 535,313.20 is: 738,714.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,844.96 : 1,207,256.48 = 535,313.20 : x
  2. Step 2: Convert to fraction form
    874,844.96/1,207,256.48 = 535,313.20/x
  3. Step 3: Cross multiply
    874,844.96x = 1,207,256.48 × 535,313.20
  4. Step 4: Simplify right side
    874,844.96x = 646,260,329,529.54
  5. Step 5: Solve for x
    x = 646,260,329,529.54/874,844.96
  6. Step 6: Final answer
    x = 738,714.13

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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.