Home / 634,758.40-875,937.28-348,271.36

Finding the Fourth Proportional to 634,758.40, 875,937.28 and 348,271.36

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Solution

The fourth proportional to 634,758.40, 875,937.28 and 348,271.36 is: 480,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,758.40 : 875,937.28 = 348,271.36 : x
  2. Step 2: Convert to fraction form
    634,758.40/875,937.28 = 348,271.36/x
  3. Step 3: Cross multiply
    634,758.40x = 875,937.28 × 348,271.36
  4. Step 4: Simplify right side
    634,758.40x = 305,063,867,780.30
  5. Step 5: Solve for x
    x = 305,063,867,780.30/634,758.40
  6. Step 6: Final answer
    x = 480,598.39

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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.