Home / 724,866.65-1,086,271.74-533,828.78

Finding the Fourth Proportional to 724,866.65, 1,086,271.74 and 533,828.78

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Solution

The fourth proportional to 724,866.65, 1,086,271.74 and 533,828.78 is: 799,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,866.65 : 1,086,271.74 = 533,828.78 : x
  2. Step 2: Convert to fraction form
    724,866.65/1,086,271.74 = 533,828.78/x
  3. Step 3: Cross multiply
    724,866.65x = 1,086,271.74 × 533,828.78
  4. Step 4: Simplify right side
    724,866.65x = 579,883,114,853.44
  5. Step 5: Solve for x
    x = 579,883,114,853.44/724,866.65
  6. Step 6: Final answer
    x = 799,985.93

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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.