Home / 869,011.56-1,301,835.96-488,777.00

Finding the Fourth Proportional to 869,011.56, 1,301,835.96 and 488,777.00

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Solution

The fourth proportional to 869,011.56, 1,301,835.96 and 488,777.00 is: 732,219.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,011.56 : 1,301,835.96 = 488,777.00 : x
  2. Step 2: Convert to fraction form
    869,011.56/1,301,835.96 = 488,777.00/x
  3. Step 3: Cross multiply
    869,011.56x = 1,301,835.96 × 488,777.00
  4. Step 4: Simplify right side
    869,011.56x = 636,307,478,275.51
  5. Step 5: Solve for x
    x = 636,307,478,275.51/869,011.56
  6. Step 6: Final answer
    x = 732,219.81

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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.