Home / 761,502.12-1,141,957.88-406,322.36

Finding the Fourth Proportional to 761,502.12, 1,141,957.88 and 406,322.36

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Solution

The fourth proportional to 761,502.12, 1,141,957.88 and 406,322.36 is: 609,325.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,502.12 : 1,141,957.88 = 406,322.36 : x
  2. Step 2: Convert to fraction form
    761,502.12/1,141,957.88 = 406,322.36/x
  3. Step 3: Cross multiply
    761,502.12x = 1,141,957.88 × 406,322.36
  4. Step 4: Simplify right side
    761,502.12x = 464,003,020,822.20
  5. Step 5: Solve for x
    x = 464,003,020,822.20/761,502.12
  6. Step 6: Final answer
    x = 609,325.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.