Home / 489,936.80-734,904.93-153,006.32

Finding the Fourth Proportional to 489,936.80, 734,904.93 and 153,006.32

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Solution

The fourth proportional to 489,936.80, 734,904.93 and 153,006.32 is: 229,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,936.80 : 734,904.93 = 153,006.32 : x
  2. Step 2: Convert to fraction form
    489,936.80/734,904.93 = 153,006.32/x
  3. Step 3: Cross multiply
    489,936.80x = 734,904.93 × 153,006.32
  4. Step 4: Simplify right side
    489,936.80x = 112,445,098,889.16
  5. Step 5: Solve for x
    x = 112,445,098,889.16/489,936.80
  6. Step 6: Final answer
    x = 229,509.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.