Home / 634,303.77-875,379.07-347,823.87

Finding the Fourth Proportional to 634,303.77, 875,379.07 and 347,823.87

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Solution

The fourth proportional to 634,303.77, 875,379.07 and 347,823.87 is: 480,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,303.77 : 875,379.07 = 347,823.87 : x
  2. Step 2: Convert to fraction form
    634,303.77/875,379.07 = 347,823.87/x
  3. Step 3: Cross multiply
    634,303.77x = 875,379.07 × 347,823.87
  4. Step 4: Simplify right side
    634,303.77x = 304,477,729,728.39
  5. Step 5: Solve for x
    x = 304,477,729,728.39/634,303.77
  6. Step 6: Final answer
    x = 480,018.79

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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.