Home / 790,076.64-1,090,302.75-427,501.20

Finding the Fourth Proportional to 790,076.64, 1,090,302.75 and 427,501.20

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Solution

The fourth proportional to 790,076.64, 1,090,302.75 and 427,501.20 is: 589,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,076.64 : 1,090,302.75 = 427,501.20 : x
  2. Step 2: Convert to fraction form
    790,076.64/1,090,302.75 = 427,501.20/x
  3. Step 3: Cross multiply
    790,076.64x = 1,090,302.75 × 427,501.20
  4. Step 4: Simplify right side
    790,076.64x = 466,105,733,988.30
  5. Step 5: Solve for x
    x = 466,105,733,988.30/790,076.64
  6. Step 6: Final answer
    x = 589,950.03

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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.