Home / 634,941.93-876,230.55-348,488.67

Finding the Fourth Proportional to 634,941.93, 876,230.55 and 348,488.67

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Solution

The fourth proportional to 634,941.93, 876,230.55 and 348,488.67 is: 480,920.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,941.93 : 876,230.55 = 348,488.67 : x
  2. Step 2: Convert to fraction form
    634,941.93/876,230.55 = 348,488.67/x
  3. Step 3: Cross multiply
    634,941.93x = 876,230.55 × 348,488.67
  4. Step 4: Simplify right side
    634,941.93x = 305,356,418,982.87
  5. Step 5: Solve for x
    x = 305,356,418,982.87/634,941.93
  6. Step 6: Final answer
    x = 480,920.23

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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.