Home / 761,669.08-1,142,514.96-288,227.32

Finding the Fourth Proportional to 761,669.08, 1,142,514.96 and 288,227.32

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Solution

The fourth proportional to 761,669.08, 1,142,514.96 and 288,227.32 is: 432,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,669.08 : 1,142,514.96 = 288,227.32 : x
  2. Step 2: Convert to fraction form
    761,669.08/1,142,514.96 = 288,227.32/x
  3. Step 3: Cross multiply
    761,669.08x = 1,142,514.96 × 288,227.32
  4. Step 4: Simplify right side
    761,669.08x = 329,304,024,980.71
  5. Step 5: Solve for x
    x = 329,304,024,980.71/761,669.08
  6. Step 6: Final answer
    x = 432,345.27

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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.