Home / 948,756.60-1,309,407.39-586,356.12

Finding the Fourth Proportional to 948,756.60, 1,309,407.39 and 586,356.12

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Solution

The fourth proportional to 948,756.60, 1,309,407.39 and 586,356.12 is: 809,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,756.60 : 1,309,407.39 = 586,356.12 : x
  2. Step 2: Convert to fraction form
    948,756.60/1,309,407.39 = 586,356.12/x
  3. Step 3: Cross multiply
    948,756.60x = 1,309,407.39 × 586,356.12
  4. Step 4: Simplify right side
    948,756.60x = 767,779,036,699.73
  5. Step 5: Solve for x
    x = 767,779,036,699.73/948,756.60
  6. Step 6: Final answer
    x = 809,247.64

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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.