Home / 507,484.10-760,987.78-294,312.60

Finding the Fourth Proportional to 507,484.10, 760,987.78 and 294,312.60

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Solution

The fourth proportional to 507,484.10, 760,987.78 and 294,312.60 is: 441,330.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,484.10 : 760,987.78 = 294,312.60 : x
  2. Step 2: Convert to fraction form
    507,484.10/760,987.78 = 294,312.60/x
  3. Step 3: Cross multiply
    507,484.10x = 760,987.78 × 294,312.60
  4. Step 4: Simplify right side
    507,484.10x = 223,968,291,364.25
  5. Step 5: Solve for x
    x = 223,968,291,364.25/507,484.10
  6. Step 6: Final answer
    x = 441,330.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.