Home / 878,607.96-1,316,407.47-479,528.76

Finding the Fourth Proportional to 878,607.96, 1,316,407.47 and 479,528.76

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Solution

The fourth proportional to 878,607.96, 1,316,407.47 and 479,528.76 is: 718,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,607.96 : 1,316,407.47 = 479,528.76 : x
  2. Step 2: Convert to fraction form
    878,607.96/1,316,407.47 = 479,528.76/x
  3. Step 3: Cross multiply
    878,607.96x = 1,316,407.47 × 479,528.76
  4. Step 4: Simplify right side
    878,607.96x = 631,255,238,826.02
  5. Step 5: Solve for x
    x = 631,255,238,826.02/878,607.96
  6. Step 6: Final answer
    x = 718,472.02

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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.