Home / 718,562.96-1,077,410.29-286,346.90

Finding the Fourth Proportional to 718,562.96, 1,077,410.29 and 286,346.90

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Solution

The fourth proportional to 718,562.96, 1,077,410.29 and 286,346.90 is: 429,347.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,562.96 : 1,077,410.29 = 286,346.90 : x
  2. Step 2: Convert to fraction form
    718,562.96/1,077,410.29 = 286,346.90/x
  3. Step 3: Cross multiply
    718,562.96x = 1,077,410.29 × 286,346.90
  4. Step 4: Simplify right side
    718,562.96x = 308,513,096,569.60
  5. Step 5: Solve for x
    x = 308,513,096,569.60/718,562.96
  6. Step 6: Final answer
    x = 429,347.34

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1.5x scale

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.