Home / 630,372-869,913.36-404,017.50

Finding the Fourth Proportional to 630,372, 869,913.36 and 404,017.50

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Solution

The fourth proportional to 630,372, 869,913.36 and 404,017.50 is: 557,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,372 : 869,913.36 = 404,017.50 : x
  2. Step 2: Convert to fraction form
    630,372/869,913.36 = 404,017.50/x
  3. Step 3: Cross multiply
    630,372x = 869,913.36 × 404,017.50
  4. Step 4: Simplify right side
    630,372x = 351,460,220,923.80
  5. Step 5: Solve for x
    x = 351,460,220,923.80/630,372
  6. Step 6: Final answer
    x = 557,544.15

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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.