Home / 817,886.76-1,223,412.96-574,710.80

Finding the Fourth Proportional to 817,886.76, 1,223,412.96 and 574,710.80

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Solution

The fourth proportional to 817,886.76, 1,223,412.96 and 574,710.80 is: 859,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,886.76 : 1,223,412.96 = 574,710.80 : x
  2. Step 2: Convert to fraction form
    817,886.76/1,223,412.96 = 574,710.80/x
  3. Step 3: Cross multiply
    817,886.76x = 1,223,412.96 × 574,710.80
  4. Step 4: Simplify right side
    817,886.76x = 703,108,637,010.07
  5. Step 5: Solve for x
    x = 703,108,637,010.07/817,886.76
  6. Step 6: Final answer
    x = 859,665.02

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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.