Home / 909,372.12-1,254,904.64-501,491.16

Finding the Fourth Proportional to 909,372.12, 1,254,904.64 and 501,491.16

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Solution

The fourth proportional to 909,372.12, 1,254,904.64 and 501,491.16 is: 692,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,372.12 : 1,254,904.64 = 501,491.16 : x
  2. Step 2: Convert to fraction form
    909,372.12/1,254,904.64 = 501,491.16/x
  3. Step 3: Cross multiply
    909,372.12x = 1,254,904.64 × 501,491.16
  4. Step 4: Simplify right side
    909,372.12x = 629,323,583,602.98
  5. Step 5: Solve for x
    x = 629,323,583,602.98/909,372.12
  6. Step 6: Final answer
    x = 692,041.87

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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.