Home / 837,482.70-1,155,717.47-455,509.38

Finding the Fourth Proportional to 837,482.70, 1,155,717.47 and 455,509.38

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Solution

The fourth proportional to 837,482.70, 1,155,717.47 and 455,509.38 is: 628,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,482.70 : 1,155,717.47 = 455,509.38 : x
  2. Step 2: Convert to fraction form
    837,482.70/1,155,717.47 = 455,509.38/x
  3. Step 3: Cross multiply
    837,482.70x = 1,155,717.47 × 455,509.38
  4. Step 4: Simplify right side
    837,482.70x = 526,440,149,353.64
  5. Step 5: Solve for x
    x = 526,440,149,353.64/837,482.70
  6. Step 6: Final answer
    x = 628,598.24

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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.