Home / 777,644.52-1,072,739.88-535,507.44

Finding the Fourth Proportional to 777,644.52, 1,072,739.88 and 535,507.44

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Solution

The fourth proportional to 777,644.52, 1,072,739.88 and 535,507.44 is: 738,718.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,644.52 : 1,072,739.88 = 535,507.44 : x
  2. Step 2: Convert to fraction form
    777,644.52/1,072,739.88 = 535,507.44/x
  3. Step 3: Cross multiply
    777,644.52x = 1,072,739.88 × 535,507.44
  4. Step 4: Simplify right side
    777,644.52x = 574,460,186,924.71
  5. Step 5: Solve for x
    x = 574,460,186,924.71/777,644.52
  6. Step 6: Final answer
    x = 738,718.23

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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.