Home / 665,935.04-918,984.48-364,131.20

Finding the Fourth Proportional to 665,935.04, 918,984.48 and 364,131.20

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Solution

The fourth proportional to 665,935.04, 918,984.48 and 364,131.20 is: 502,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,935.04 : 918,984.48 = 364,131.20 : x
  2. Step 2: Convert to fraction form
    665,935.04/918,984.48 = 364,131.20/x
  3. Step 3: Cross multiply
    665,935.04x = 918,984.48 × 364,131.20
  4. Step 4: Simplify right side
    665,935.04x = 334,630,921,483.78
  5. Step 5: Solve for x
    x = 334,630,921,483.78/665,935.04
  6. Step 6: Final answer
    x = 502,497.84

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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.