Home / 970,257.36-1,455,284.28-260,358.16

Finding the Fourth Proportional to 970,257.36, 1,455,284.28 and 260,358.16

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Solution

The fourth proportional to 970,257.36, 1,455,284.28 and 260,358.16 is: 390,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,257.36 : 1,455,284.28 = 260,358.16 : x
  2. Step 2: Convert to fraction form
    970,257.36/1,455,284.28 = 260,358.16/x
  3. Step 3: Cross multiply
    970,257.36x = 1,455,284.28 × 260,358.16
  4. Step 4: Simplify right side
    970,257.36x = 378,895,137,417.73
  5. Step 5: Solve for x
    x = 378,895,137,417.73/970,257.36
  6. Step 6: Final answer
    x = 390,509.93

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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.