Home / 524,588.40-786,364.20-208,623.60

Finding the Fourth Proportional to 524,588.40, 786,364.20 and 208,623.60

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Solution

The fourth proportional to 524,588.40, 786,364.20 and 208,623.60 is: 312,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,588.40 : 786,364.20 = 208,623.60 : x
  2. Step 2: Convert to fraction form
    524,588.40/786,364.20 = 208,623.60/x
  3. Step 3: Cross multiply
    524,588.40x = 786,364.20 × 208,623.60
  4. Step 4: Simplify right side
    524,588.40x = 164,054,130,315.12
  5. Step 5: Solve for x
    x = 164,054,130,315.12/524,588.40
  6. Step 6: Final answer
    x = 312,729.24

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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.