Home / 875,685.44-1,313,528.16-402,768.56

Finding the Fourth Proportional to 875,685.44, 1,313,528.16 and 402,768.56

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Solution

The fourth proportional to 875,685.44, 1,313,528.16 and 402,768.56 is: 604,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,685.44 : 1,313,528.16 = 402,768.56 : x
  2. Step 2: Convert to fraction form
    875,685.44/1,313,528.16 = 402,768.56/x
  3. Step 3: Cross multiply
    875,685.44x = 1,313,528.16 × 402,768.56
  4. Step 4: Simplify right side
    875,685.44x = 529,047,838,955.01
  5. Step 5: Solve for x
    x = 529,047,838,955.01/875,685.44
  6. Step 6: Final answer
    x = 604,152.84

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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.