Home / 840,277.76-1,159,582.60-458,303.36

Finding the Fourth Proportional to 840,277.76, 1,159,582.60 and 458,303.36

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Solution

The fourth proportional to 840,277.76, 1,159,582.60 and 458,303.36 is: 632,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,277.76 : 1,159,582.60 = 458,303.36 : x
  2. Step 2: Convert to fraction form
    840,277.76/1,159,582.60 = 458,303.36/x
  3. Step 3: Cross multiply
    840,277.76x = 1,159,582.60 × 458,303.36
  4. Step 4: Simplify right side
    840,277.76x = 531,440,601,777.54
  5. Step 5: Solve for x
    x = 531,440,601,777.54/840,277.76
  6. Step 6: Final answer
    x = 632,458.25

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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.