Home / 909,319.70-1,254,935.90-501,501.31

Finding the Fourth Proportional to 909,319.70, 1,254,935.90 and 501,501.31

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Solution

The fourth proportional to 909,319.70, 1,254,935.90 and 501,501.31 is: 692,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,319.70 : 1,254,935.90 = 501,501.31 : x
  2. Step 2: Convert to fraction form
    909,319.70/1,254,935.90 = 501,501.31/x
  3. Step 3: Cross multiply
    909,319.70x = 1,254,935.90 × 501,501.31
  4. Step 4: Simplify right side
    909,319.70x = 629,351,997,816.03
  5. Step 5: Solve for x
    x = 629,351,997,816.03/909,319.70
  6. Step 6: Final answer
    x = 692,113.01

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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.