Home / 985,360.16-1,478,710.92-354,337.76

Finding the Fourth Proportional to 985,360.16, 1,478,710.92 and 354,337.76

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Solution

The fourth proportional to 985,360.16, 1,478,710.92 and 354,337.76 is: 531,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,360.16 : 1,478,710.92 = 354,337.76 : x
  2. Step 2: Convert to fraction form
    985,360.16/1,478,710.92 = 354,337.76/x
  3. Step 3: Cross multiply
    985,360.16x = 1,478,710.92 × 354,337.76
  4. Step 4: Simplify right side
    985,360.16x = 523,963,107,686.79
  5. Step 5: Solve for x
    x = 523,963,107,686.79/985,360.16
  6. Step 6: Final answer
    x = 531,747.81

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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.