Home / 634,890.24-876,159.27-348,436.98

Finding the Fourth Proportional to 634,890.24, 876,159.27 and 348,436.98

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Solution

The fourth proportional to 634,890.24, 876,159.27 and 348,436.98 is: 480,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,890.24 : 876,159.27 = 348,436.98 : x
  2. Step 2: Convert to fraction form
    634,890.24/876,159.27 = 348,436.98/x
  3. Step 3: Cross multiply
    634,890.24x = 876,159.27 × 348,436.98
  4. Step 4: Simplify right side
    634,890.24x = 305,286,290,037.81
  5. Step 5: Solve for x
    x = 305,286,290,037.81/634,890.24
  6. Step 6: Final answer
    x = 480,848.93

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1.5x scale

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.