Home / 824,631.72-1,235,890.48-717,570.76

Finding the Fourth Proportional to 824,631.72, 1,235,890.48 and 717,570.76

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Solution

The fourth proportional to 824,631.72, 1,235,890.48 and 717,570.76 is: 1,075,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,631.72 : 1,235,890.48 = 717,570.76 : x
  2. Step 2: Convert to fraction form
    824,631.72/1,235,890.48 = 717,570.76/x
  3. Step 3: Cross multiply
    824,631.72x = 1,235,890.48 × 717,570.76
  4. Step 4: Simplify right side
    824,631.72x = 886,838,871,010.37
  5. Step 5: Solve for x
    x = 886,838,871,010.37/824,631.72
  6. Step 6: Final answer
    x = 1,075,436.28

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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.