Home / 935,728.81-1,291,305.85-506,009.03

Finding the Fourth Proportional to 935,728.81, 1,291,305.85 and 506,009.03

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Solution

The fourth proportional to 935,728.81, 1,291,305.85 and 506,009.03 is: 698,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,728.81 : 1,291,305.85 = 506,009.03 : x
  2. Step 2: Convert to fraction form
    935,728.81/1,291,305.85 = 506,009.03/x
  3. Step 3: Cross multiply
    935,728.81x = 1,291,305.85 × 506,009.03
  4. Step 4: Simplify right side
    935,728.81x = 653,412,412,870.27
  5. Step 5: Solve for x
    x = 653,412,412,870.27/935,728.81
  6. Step 6: Final answer
    x = 698,292.50

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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.