Home / 535,244.16-738,669.60-308,904.24

Finding the Fourth Proportional to 535,244.16, 738,669.60 and 308,904.24

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Solution

The fourth proportional to 535,244.16, 738,669.60 and 308,904.24 is: 426,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,244.16 : 738,669.60 = 308,904.24 : x
  2. Step 2: Convert to fraction form
    535,244.16/738,669.60 = 308,904.24/x
  3. Step 3: Cross multiply
    535,244.16x = 738,669.60 × 308,904.24
  4. Step 4: Simplify right side
    535,244.16x = 228,178,171,399.10
  5. Step 5: Solve for x
    x = 228,178,171,399.10/535,244.16
  6. Step 6: Final answer
    x = 426,306.70

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1.5x scale

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.