Home / 707,774.72-1,056,529.94-655,091.76

Finding the Fourth Proportional to 707,774.72, 1,056,529.94 and 655,091.76

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Solution

The fourth proportional to 707,774.72, 1,056,529.94 and 655,091.76 is: 977,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,774.72 : 1,056,529.94 = 655,091.76 : x
  2. Step 2: Convert to fraction form
    707,774.72/1,056,529.94 = 655,091.76/x
  3. Step 3: Cross multiply
    707,774.72x = 1,056,529.94 × 655,091.76
  4. Step 4: Simplify right side
    707,774.72x = 692,124,057,887.29
  5. Step 5: Solve for x
    x = 692,124,057,887.29/707,774.72
  6. Step 6: Final answer
    x = 977,887.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.