Home / 771,673.40-1,064,884.56-427,495.24

Finding the Fourth Proportional to 771,673.40, 1,064,884.56 and 427,495.24

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Solution

The fourth proportional to 771,673.40, 1,064,884.56 and 427,495.24 is: 589,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,673.40 : 1,064,884.56 = 427,495.24 : x
  2. Step 2: Convert to fraction form
    771,673.40/1,064,884.56 = 427,495.24/x
  3. Step 3: Cross multiply
    771,673.40x = 1,064,884.56 × 427,495.24
  4. Step 4: Simplify right side
    771,673.40x = 455,233,080,549.49
  5. Step 5: Solve for x
    x = 455,233,080,549.49/771,673.40
  6. Step 6: Final answer
    x = 589,929.73

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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.