Home / 1,077,495.09-1,616,250.71-478,295.16

Finding the Fourth Proportional to 1,077,495.09, 1,616,250.71 and 478,295.16

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Solution

The fourth proportional to 1,077,495.09, 1,616,250.71 and 478,295.16 is: 717,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,495.09 : 1,616,250.71 = 478,295.16 : x
  2. Step 2: Convert to fraction form
    1,077,495.09/1,616,250.71 = 478,295.16/x
  3. Step 3: Cross multiply
    1,077,495.09x = 1,616,250.71 × 478,295.16
  4. Step 4: Simplify right side
    1,077,495.09x = 773,044,891,939.56
  5. Step 5: Solve for x
    x = 773,044,891,939.56/1,077,495.09
  6. Step 6: Final answer
    x = 717,446.32

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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.