Home / 630,110.52-869,604.18-358,263.72

Finding the Fourth Proportional to 630,110.52, 869,604.18 and 358,263.72

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Solution

The fourth proportional to 630,110.52, 869,604.18 and 358,263.72 is: 494,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,110.52 : 869,604.18 = 358,263.72 : x
  2. Step 2: Convert to fraction form
    630,110.52/869,604.18 = 358,263.72/x
  3. Step 3: Cross multiply
    630,110.52x = 869,604.18 × 358,263.72
  4. Step 4: Simplify right side
    630,110.52x = 311,547,628,454.35
  5. Step 5: Solve for x
    x = 311,547,628,454.35/630,110.52
  6. Step 6: Final answer
    x = 494,433.31

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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.