Home / 759,501.72-1,047,159.66-487,089

Finding the Fourth Proportional to 759,501.72, 1,047,159.66 and 487,089

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Solution

The fourth proportional to 759,501.72, 1,047,159.66 and 487,089 is: 671,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,501.72 : 1,047,159.66 = 487,089 : x
  2. Step 2: Convert to fraction form
    759,501.72/1,047,159.66 = 487,089/x
  3. Step 3: Cross multiply
    759,501.72x = 1,047,159.66 × 487,089
  4. Step 4: Simplify right side
    759,501.72x = 510,059,951,629.74
  5. Step 5: Solve for x
    x = 510,059,951,629.74/759,501.72
  6. Step 6: Final answer
    x = 671,571.82

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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.