Home / 790,360.03-1,090,700.15-427,783.79

Finding the Fourth Proportional to 790,360.03, 1,090,700.15 and 427,783.79

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Solution

The fourth proportional to 790,360.03, 1,090,700.15 and 427,783.79 is: 590,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,360.03 : 1,090,700.15 = 427,783.79 : x
  2. Step 2: Convert to fraction form
    790,360.03/1,090,700.15 = 427,783.79/x
  3. Step 3: Cross multiply
    790,360.03x = 1,090,700.15 × 427,783.79
  4. Step 4: Simplify right side
    790,360.03x = 466,583,844,508.40
  5. Step 5: Solve for x
    x = 466,583,844,508.40/790,360.03
  6. Step 6: Final answer
    x = 590,343.42

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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.