Home / 942,835.89-1,301,088.54-513,106.80

Finding the Fourth Proportional to 942,835.89, 1,301,088.54 and 513,106.80

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Solution

The fourth proportional to 942,835.89, 1,301,088.54 and 513,106.80 is: 708,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,835.89 : 1,301,088.54 = 513,106.80 : x
  2. Step 2: Convert to fraction form
    942,835.89/1,301,088.54 = 513,106.80/x
  3. Step 3: Cross multiply
    942,835.89x = 1,301,088.54 × 513,106.80
  4. Step 4: Simplify right side
    942,835.89x = 667,597,377,276.07
  5. Step 5: Solve for x
    x = 667,597,377,276.07/942,835.89
  6. Step 6: Final answer
    x = 708,073.79

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Double scale
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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.