Home / 750,904.21-1,036,248.87-406,743.88

Finding the Fourth Proportional to 750,904.21, 1,036,248.87 and 406,743.88

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Solution

The fourth proportional to 750,904.21, 1,036,248.87 and 406,743.88 is: 561,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,904.21 : 1,036,248.87 = 406,743.88 : x
  2. Step 2: Convert to fraction form
    750,904.21/1,036,248.87 = 406,743.88/x
  3. Step 3: Cross multiply
    750,904.21x = 1,036,248.87 × 406,743.88
  4. Step 4: Simplify right side
    750,904.21x = 421,487,886,029.42
  5. Step 5: Solve for x
    x = 421,487,886,029.42/750,904.21
  6. Step 6: Final answer
    x = 561,307.13

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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.