Home / 507,942.86-700,962.14-281,588.36

Finding the Fourth Proportional to 507,942.86, 700,962.14 and 281,588.36

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Solution

The fourth proportional to 507,942.86, 700,962.14 and 281,588.36 is: 388,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,942.86 : 700,962.14 = 281,588.36 : x
  2. Step 2: Convert to fraction form
    507,942.86/700,962.14 = 281,588.36/x
  3. Step 3: Cross multiply
    507,942.86x = 700,962.14 × 281,588.36
  4. Step 4: Simplify right side
    507,942.86x = 197,382,779,424.69
  5. Step 5: Solve for x
    x = 197,382,779,424.69/507,942.86
  6. Step 6: Final answer
    x = 388,592.49

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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.