Home / 472,448.40-651,981.74-257,592.04

Finding the Fourth Proportional to 472,448.40, 651,981.74 and 257,592.04

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Solution

The fourth proportional to 472,448.40, 651,981.74 and 257,592.04 is: 355,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,448.40 : 651,981.74 = 257,592.04 : x
  2. Step 2: Convert to fraction form
    472,448.40/651,981.74 = 257,592.04/x
  3. Step 3: Cross multiply
    472,448.40x = 651,981.74 × 257,592.04
  4. Step 4: Simplify right side
    472,448.40x = 167,945,306,449.35
  5. Step 5: Solve for x
    x = 167,945,306,449.35/472,448.40
  6. Step 6: Final answer
    x = 355,478.62

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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.