Home / 943,403.76-1,301,880.32-513,676.08

Finding the Fourth Proportional to 943,403.76, 1,301,880.32 and 513,676.08

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Solution

The fourth proportional to 943,403.76, 1,301,880.32 and 513,676.08 is: 708,863.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,403.76 : 1,301,880.32 = 513,676.08 : x
  2. Step 2: Convert to fraction form
    943,403.76/1,301,880.32 = 513,676.08/x
  3. Step 3: Cross multiply
    943,403.76x = 1,301,880.32 × 513,676.08
  4. Step 4: Simplify right side
    943,403.76x = 668,744,779,406.75
  5. Step 5: Solve for x
    x = 668,744,779,406.75/943,403.76
  6. Step 6: Final answer
    x = 708,863.81

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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.