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Finding the Fourth Proportional to 407,597.51, 562,564.35 and 260,327.76

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Solution

The fourth proportional to 407,597.51, 562,564.35 and 260,327.76 is: 359,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,597.51 : 562,564.35 = 260,327.76 : x
  2. Step 2: Convert to fraction form
    407,597.51/562,564.35 = 260,327.76/x
  3. Step 3: Cross multiply
    407,597.51x = 562,564.35 × 260,327.76
  4. Step 4: Simplify right side
    407,597.51x = 146,451,117,091.36
  5. Step 5: Solve for x
    x = 146,451,117,091.36/407,597.51
  6. Step 6: Final answer
    x = 359,303.27

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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.