Home / 771,557.48-1,064,577.12-465,683.48

Finding the Fourth Proportional to 771,557.48, 1,064,577.12 and 465,683.48

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Solution

The fourth proportional to 771,557.48, 1,064,577.12 and 465,683.48 is: 642,539.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,557.48 : 1,064,577.12 = 465,683.48 : x
  2. Step 2: Convert to fraction form
    771,557.48/1,064,577.12 = 465,683.48/x
  3. Step 3: Cross multiply
    771,557.48x = 1,064,577.12 × 465,683.48
  4. Step 4: Simplify right side
    771,557.48x = 495,755,977,969.98
  5. Step 5: Solve for x
    x = 495,755,977,969.98/771,557.48
  6. Step 6: Final answer
    x = 642,539.27

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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.