Home / 535,417.02-738,751.59-320,475.42

Finding the Fourth Proportional to 535,417.02, 738,751.59 and 320,475.42

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Solution

The fourth proportional to 535,417.02, 738,751.59 and 320,475.42 is: 442,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,417.02 : 738,751.59 = 320,475.42 : x
  2. Step 2: Convert to fraction form
    535,417.02/738,751.59 = 320,475.42/x
  3. Step 3: Cross multiply
    535,417.02x = 738,751.59 × 320,475.42
  4. Step 4: Simplify right side
    535,417.02x = 236,751,726,080.92
  5. Step 5: Solve for x
    x = 236,751,726,080.92/535,417.02
  6. Step 6: Final answer
    x = 442,181.92

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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.