Home / 875,357.64-1,208,002.77-493,384.41

Finding the Fourth Proportional to 875,357.64, 1,208,002.77 and 493,384.41

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Solution

The fourth proportional to 875,357.64, 1,208,002.77 and 493,384.41 is: 680,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,357.64 : 1,208,002.77 = 493,384.41 : x
  2. Step 2: Convert to fraction form
    875,357.64/1,208,002.77 = 493,384.41/x
  3. Step 3: Cross multiply
    875,357.64x = 1,208,002.77 × 493,384.41
  4. Step 4: Simplify right side
    875,357.64x = 596,009,733,954.82
  5. Step 5: Solve for x
    x = 596,009,733,954.82/875,357.64
  6. Step 6: Final answer
    x = 680,875.69

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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.