Home / 817,990.02-1,128,533.97-473,637.96

Finding the Fourth Proportional to 817,990.02, 1,128,533.97 and 473,637.96

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Solution

The fourth proportional to 817,990.02, 1,128,533.97 and 473,637.96 is: 653,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,990.02 : 1,128,533.97 = 473,637.96 : x
  2. Step 2: Convert to fraction form
    817,990.02/1,128,533.97 = 473,637.96/x
  3. Step 3: Cross multiply
    817,990.02x = 1,128,533.97 × 473,637.96
  4. Step 4: Simplify right side
    817,990.02x = 534,516,527,341.50
  5. Step 5: Solve for x
    x = 534,516,527,341.50/817,990.02
  6. Step 6: Final answer
    x = 653,451.16

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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.