Home / 770,957.58-1,064,403.96-495,427.17

Finding the Fourth Proportional to 770,957.58, 1,064,403.96 and 495,427.17

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Solution

The fourth proportional to 770,957.58, 1,064,403.96 and 495,427.17 is: 683,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,957.58 : 1,064,403.96 = 495,427.17 : x
  2. Step 2: Convert to fraction form
    770,957.58/1,064,403.96 = 495,427.17/x
  3. Step 3: Cross multiply
    770,957.58x = 1,064,403.96 × 495,427.17
  4. Step 4: Simplify right side
    770,957.58x = 527,334,641,966.15
  5. Step 5: Solve for x
    x = 527,334,641,966.15/770,957.58
  6. Step 6: Final answer
    x = 683,999.56

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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.