Home / 472,724.32-652,363.74-257,865.34

Finding the Fourth Proportional to 472,724.32, 652,363.74 and 257,865.34

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Solution

The fourth proportional to 472,724.32, 652,363.74 and 257,865.34 is: 355,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,724.32 : 652,363.74 = 257,865.34 : x
  2. Step 2: Convert to fraction form
    472,724.32/652,363.74 = 257,865.34/x
  3. Step 3: Cross multiply
    472,724.32x = 652,363.74 × 257,865.34
  4. Step 4: Simplify right side
    472,724.32x = 168,221,997,618.77
  5. Step 5: Solve for x
    x = 168,221,997,618.77/472,724.32
  6. Step 6: Final answer
    x = 355,856.45

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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.