Home / 979,860.51-1,352,197.40-550,130.67

Finding the Fourth Proportional to 979,860.51, 1,352,197.40 and 550,130.67

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Solution

The fourth proportional to 979,860.51, 1,352,197.40 and 550,130.67 is: 759,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,860.51 : 1,352,197.40 = 550,130.67 : x
  2. Step 2: Convert to fraction form
    979,860.51/1,352,197.40 = 550,130.67/x
  3. Step 3: Cross multiply
    979,860.51x = 1,352,197.40 × 550,130.67
  4. Step 4: Simplify right side
    979,860.51x = 743,885,258,883.61
  5. Step 5: Solve for x
    x = 743,885,258,883.61/979,860.51
  6. Step 6: Final answer
    x = 759,174.65

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Double scale
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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.