Home / 991,835.70-1,368,637.50-556,270.96

Finding the Fourth Proportional to 991,835.70, 1,368,637.50 and 556,270.96

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Solution

The fourth proportional to 991,835.70, 1,368,637.50 and 556,270.96 is: 767,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,835.70 : 1,368,637.50 = 556,270.96 : x
  2. Step 2: Convert to fraction form
    991,835.70/1,368,637.50 = 556,270.96/x
  3. Step 3: Cross multiply
    991,835.70x = 1,368,637.50 × 556,270.96
  4. Step 4: Simplify right side
    991,835.70x = 761,333,296,017
  5. Step 5: Solve for x
    x = 761,333,296,017/991,835.70
  6. Step 6: Final answer
    x = 767,600.21

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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.