Home / 972,220.31-1,341,664.14-536,637.80

Finding the Fourth Proportional to 972,220.31, 1,341,664.14 and 536,637.80

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Solution

The fourth proportional to 972,220.31, 1,341,664.14 and 536,637.80 is: 740,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,220.31 : 1,341,664.14 = 536,637.80 : x
  2. Step 2: Convert to fraction form
    972,220.31/1,341,664.14 = 536,637.80/x
  3. Step 3: Cross multiply
    972,220.31x = 1,341,664.14 × 536,637.80
  4. Step 4: Simplify right side
    972,220.31x = 719,987,694,776.46
  5. Step 5: Solve for x
    x = 719,987,694,776.46/972,220.31
  6. Step 6: Final answer
    x = 740,560.23

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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.