Home / 953,618.40-1,429,698.60-480,643.20

Finding the Fourth Proportional to 953,618.40, 1,429,698.60 and 480,643.20

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Solution

The fourth proportional to 953,618.40, 1,429,698.60 and 480,643.20 is: 720,597.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,618.40 : 1,429,698.60 = 480,643.20 : x
  2. Step 2: Convert to fraction form
    953,618.40/1,429,698.60 = 480,643.20/x
  3. Step 3: Cross multiply
    953,618.40x = 1,429,698.60 × 480,643.20
  4. Step 4: Simplify right side
    953,618.40x = 687,174,910,139.52
  5. Step 5: Solve for x
    x = 687,174,910,139.52/953,618.40
  6. Step 6: Final answer
    x = 720,597.37

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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.