Home / 688,030.08-949,029.12-433,167.36

Finding the Fourth Proportional to 688,030.08, 949,029.12 and 433,167.36

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Solution

The fourth proportional to 688,030.08, 949,029.12 and 433,167.36 is: 597,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,030.08 : 949,029.12 = 433,167.36 : x
  2. Step 2: Convert to fraction form
    688,030.08/949,029.12 = 433,167.36/x
  3. Step 3: Cross multiply
    688,030.08x = 949,029.12 × 433,167.36
  4. Step 4: Simplify right side
    688,030.08x = 411,088,438,473.52
  5. Step 5: Solve for x
    x = 411,088,438,473.52/688,030.08
  6. Step 6: Final answer
    x = 597,486.14

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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.