Home / 975,429.48-1,346,082.77-539,847.67

Finding the Fourth Proportional to 975,429.48, 1,346,082.77 and 539,847.67

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Solution

The fourth proportional to 975,429.48, 1,346,082.77 and 539,847.67 is: 744,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,429.48 : 1,346,082.77 = 539,847.67 : x
  2. Step 2: Convert to fraction form
    975,429.48/1,346,082.77 = 539,847.67/x
  3. Step 3: Cross multiply
    975,429.48x = 1,346,082.77 × 539,847.67
  4. Step 4: Simplify right side
    975,429.48x = 726,679,647,011.65
  5. Step 5: Solve for x
    x = 726,679,647,011.65/975,429.48
  6. Step 6: Final answer
    x = 744,984.30

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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.