Home / 739,499.60-1,020,485.94-417,205.40

Finding the Fourth Proportional to 739,499.60, 1,020,485.94 and 417,205.40

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Solution

The fourth proportional to 739,499.60, 1,020,485.94 and 417,205.40 is: 575,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,499.60 : 1,020,485.94 = 417,205.40 : x
  2. Step 2: Convert to fraction form
    739,499.60/1,020,485.94 = 417,205.40/x
  3. Step 3: Cross multiply
    739,499.60x = 1,020,485.94 × 417,205.40
  4. Step 4: Simplify right side
    739,499.60x = 425,752,244,792.08
  5. Step 5: Solve for x
    x = 425,752,244,792.08/739,499.60
  6. Step 6: Final answer
    x = 575,730.19

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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.