Home / 918,296.46-1,377,460.49-319,277.16

Finding the Fourth Proportional to 918,296.46, 1,377,460.49 and 319,277.16

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Solution

The fourth proportional to 918,296.46, 1,377,460.49 and 319,277.16 is: 478,921.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,296.46 : 1,377,460.49 = 319,277.16 : x
  2. Step 2: Convert to fraction form
    918,296.46/1,377,460.49 = 319,277.16/x
  3. Step 3: Cross multiply
    918,296.46x = 1,377,460.49 × 319,277.16
  4. Step 4: Simplify right side
    918,296.46x = 439,791,671,663.02
  5. Step 5: Solve for x
    x = 439,791,671,663.02/918,296.46
  6. Step 6: Final answer
    x = 478,921.23

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Double scale
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1.5x scale

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.