Home / 912,574.62-1,368,893.67-313,531.38

Finding the Fourth Proportional to 912,574.62, 1,368,893.67 and 313,531.38

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Solution

The fourth proportional to 912,574.62, 1,368,893.67 and 313,531.38 is: 470,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,574.62 : 1,368,893.67 = 313,531.38 : x
  2. Step 2: Convert to fraction form
    912,574.62/1,368,893.67 = 313,531.38/x
  3. Step 3: Cross multiply
    912,574.62x = 1,368,893.67 × 313,531.38
  4. Step 4: Simplify right side
    912,574.62x = 429,191,124,850.60
  5. Step 5: Solve for x
    x = 429,191,124,850.60/912,574.62
  6. Step 6: Final answer
    x = 470,307.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.