Home / 779,971.56-1,076,293.95-448,838.22

Finding the Fourth Proportional to 779,971.56, 1,076,293.95 and 448,838.22

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Solution

The fourth proportional to 779,971.56, 1,076,293.95 and 448,838.22 is: 619,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,971.56 : 1,076,293.95 = 448,838.22 : x
  2. Step 2: Convert to fraction form
    779,971.56/1,076,293.95 = 448,838.22/x
  3. Step 3: Cross multiply
    779,971.56x = 1,076,293.95 × 448,838.22
  4. Step 4: Simplify right side
    779,971.56x = 483,081,860,714.77
  5. Step 5: Solve for x
    x = 483,081,860,714.77/779,971.56
  6. Step 6: Final answer
    x = 619,358.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.