Home / 761,801.67-1,051,279.56-417,631.32

Finding the Fourth Proportional to 761,801.67, 1,051,279.56 and 417,631.32

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Solution

The fourth proportional to 761,801.67, 1,051,279.56 and 417,631.32 is: 576,327.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,801.67 : 1,051,279.56 = 417,631.32 : x
  2. Step 2: Convert to fraction form
    761,801.67/1,051,279.56 = 417,631.32/x
  3. Step 3: Cross multiply
    761,801.67x = 1,051,279.56 × 417,631.32
  4. Step 4: Simplify right side
    761,801.67x = 439,047,270,331.82
  5. Step 5: Solve for x
    x = 439,047,270,331.82/761,801.67
  6. Step 6: Final answer
    x = 576,327.52

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Double scale
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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.