Home / 1,077,485.60-1,616,228.40-478,445.60

Finding the Fourth Proportional to 1,077,485.60, 1,616,228.40 and 478,445.60

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Solution

The fourth proportional to 1,077,485.60, 1,616,228.40 and 478,445.60 is: 717,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,485.60 : 1,616,228.40 = 478,445.60 : x
  2. Step 2: Convert to fraction form
    1,077,485.60/1,616,228.40 = 478,445.60/x
  3. Step 3: Cross multiply
    1,077,485.60x = 1,616,228.40 × 478,445.60
  4. Step 4: Simplify right side
    1,077,485.60x = 773,277,366,575.04
  5. Step 5: Solve for x
    x = 773,277,366,575.04/1,077,485.60
  6. Step 6: Final answer
    x = 717,668.40

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Similar ratio
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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.