Home / 761,792.09-1,051,266.35-417,621.76

Finding the Fourth Proportional to 761,792.09, 1,051,266.35 and 417,621.76

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Solution

The fourth proportional to 761,792.09, 1,051,266.35 and 417,621.76 is: 576,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,792.09 : 1,051,266.35 = 417,621.76 : x
  2. Step 2: Convert to fraction form
    761,792.09/1,051,266.35 = 417,621.76/x
  3. Step 3: Cross multiply
    761,792.09x = 1,051,266.35 × 417,621.76
  4. Step 4: Simplify right side
    761,792.09x = 439,031,698,059.44
  5. Step 5: Solve for x
    x = 439,031,698,059.44/761,792.09
  6. Step 6: Final answer
    x = 576,314.33

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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.