Home / 817,928.16-1,226,477.28-374,316

Finding the Fourth Proportional to 817,928.16, 1,226,477.28 and 374,316

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Solution

The fourth proportional to 817,928.16, 1,226,477.28 and 374,316 is: 561,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,928.16 : 1,226,477.28 = 374,316 : x
  2. Step 2: Convert to fraction form
    817,928.16/1,226,477.28 = 374,316/x
  3. Step 3: Cross multiply
    817,928.16x = 1,226,477.28 × 374,316
  4. Step 4: Simplify right side
    817,928.16x = 459,090,069,540.48
  5. Step 5: Solve for x
    x = 459,090,069,540.48/817,928.16
  6. Step 6: Final answer
    x = 561,284.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.