Home / 702,720.80-1,054,501.01-645,548.85

Finding the Fourth Proportional to 702,720.80, 1,054,501.01 and 645,548.85

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Solution

The fourth proportional to 702,720.80, 1,054,501.01 and 645,548.85 is: 968,708.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,720.80 : 1,054,501.01 = 645,548.85 : x
  2. Step 2: Convert to fraction form
    702,720.80/1,054,501.01 = 645,548.85/x
  3. Step 3: Cross multiply
    702,720.80x = 1,054,501.01 × 645,548.85
  4. Step 4: Simplify right side
    702,720.80x = 680,731,911,101.59
  5. Step 5: Solve for x
    x = 680,731,911,101.59/702,720.80
  6. Step 6: Final answer
    x = 968,708.93

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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.