Home / 683,657.15-943,470.20-429,148.67

Finding the Fourth Proportional to 683,657.15, 943,470.20 and 429,148.67

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Solution

The fourth proportional to 683,657.15, 943,470.20 and 429,148.67 is: 592,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,657.15 : 943,470.20 = 429,148.67 : x
  2. Step 2: Convert to fraction form
    683,657.15/943,470.20 = 429,148.67/x
  3. Step 3: Cross multiply
    683,657.15x = 943,470.20 × 429,148.67
  4. Step 4: Simplify right side
    683,657.15x = 404,888,979,368.89
  5. Step 5: Solve for x
    x = 404,888,979,368.89/683,657.15
  6. Step 6: Final answer
    x = 592,239.81

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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.