Home / 630,959.46-870,824.04-401,277.27

Finding the Fourth Proportional to 630,959.46, 870,824.04 and 401,277.27

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Solution

The fourth proportional to 630,959.46, 870,824.04 and 401,277.27 is: 553,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,959.46 : 870,824.04 = 401,277.27 : x
  2. Step 2: Convert to fraction form
    630,959.46/870,824.04 = 401,277.27/x
  3. Step 3: Cross multiply
    630,959.46x = 870,824.04 × 401,277.27
  4. Step 4: Simplify right side
    630,959.46x = 349,441,893,421.57
  5. Step 5: Solve for x
    x = 349,441,893,421.57/630,959.46
  6. Step 6: Final answer
    x = 553,826.22

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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.