Home / 761,821.92-1,051,325.04-417,690.24

Finding the Fourth Proportional to 761,821.92, 1,051,325.04 and 417,690.24

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Solution

The fourth proportional to 761,821.92, 1,051,325.04 and 417,690.24 is: 576,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,821.92 : 1,051,325.04 = 417,690.24 : x
  2. Step 2: Convert to fraction form
    761,821.92/1,051,325.04 = 417,690.24/x
  3. Step 3: Cross multiply
    761,821.92x = 1,051,325.04 × 417,690.24
  4. Step 4: Simplify right side
    761,821.92x = 439,128,208,275.61
  5. Step 5: Solve for x
    x = 439,128,208,275.61/761,821.92
  6. Step 6: Final answer
    x = 576,418.45

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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.