Home / 856,782.96-1,182,898.09-551,390.06

Finding the Fourth Proportional to 856,782.96, 1,182,898.09 and 551,390.06

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Solution

The fourth proportional to 856,782.96, 1,182,898.09 and 551,390.06 is: 761,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,782.96 : 1,182,898.09 = 551,390.06 : x
  2. Step 2: Convert to fraction form
    856,782.96/1,182,898.09 = 551,390.06/x
  3. Step 3: Cross multiply
    856,782.96x = 1,182,898.09 × 551,390.06
  4. Step 4: Simplify right side
    856,782.96x = 652,238,251,281.39
  5. Step 5: Solve for x
    x = 652,238,251,281.39/856,782.96
  6. Step 6: Final answer
    x = 761,264.27

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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.