Home / 851,420.65-1,175,245.21-507,364.50

Finding the Fourth Proportional to 851,420.65, 1,175,245.21 and 507,364.50

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Solution

The fourth proportional to 851,420.65, 1,175,245.21 and 507,364.50 is: 700,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,420.65 : 1,175,245.21 = 507,364.50 : x
  2. Step 2: Convert to fraction form
    851,420.65/1,175,245.21 = 507,364.50/x
  3. Step 3: Cross multiply
    851,420.65x = 1,175,245.21 × 507,364.50
  4. Step 4: Simplify right side
    851,420.65x = 596,277,700,087.35
  5. Step 5: Solve for x
    x = 596,277,700,087.35/851,420.65
  6. Step 6: Final answer
    x = 700,332.67

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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.