Home / 970,929.60-1,455,616.80-409,502.40

Finding the Fourth Proportional to 970,929.60, 1,455,616.80 and 409,502.40

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Solution

The fourth proportional to 970,929.60, 1,455,616.80 and 409,502.40 is: 613,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,929.60 : 1,455,616.80 = 409,502.40 : x
  2. Step 2: Convert to fraction form
    970,929.60/1,455,616.80 = 409,502.40/x
  3. Step 3: Cross multiply
    970,929.60x = 1,455,616.80 × 409,502.40
  4. Step 4: Simplify right side
    970,929.60x = 596,078,573,080.32
  5. Step 5: Solve for x
    x = 596,078,573,080.32/970,929.60
  6. Step 6: Final answer
    x = 613,925.64

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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.