Home / 877,176-1,210,729.68-572,013.36

Finding the Fourth Proportional to 877,176, 1,210,729.68 and 572,013.36

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Solution

The fourth proportional to 877,176, 1,210,729.68 and 572,013.36 is: 789,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,176 : 1,210,729.68 = 572,013.36 : x
  2. Step 2: Convert to fraction form
    877,176/1,210,729.68 = 572,013.36/x
  3. Step 3: Cross multiply
    877,176x = 1,210,729.68 × 572,013.36
  4. Step 4: Simplify right side
    877,176x = 692,553,552,308.53
  5. Step 5: Solve for x
    x = 692,553,552,308.53/877,176
  6. Step 6: Final answer
    x = 789,526.33

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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.