Home / 564,980.51-779,483.04-319,931.75

Finding the Fourth Proportional to 564,980.51, 779,483.04 and 319,931.75

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Solution

The fourth proportional to 564,980.51, 779,483.04 and 319,931.75 is: 441,398.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,980.51 : 779,483.04 = 319,931.75 : x
  2. Step 2: Convert to fraction form
    564,980.51/779,483.04 = 319,931.75/x
  3. Step 3: Cross multiply
    564,980.51x = 779,483.04 × 319,931.75
  4. Step 4: Simplify right side
    564,980.51x = 249,381,373,082.52
  5. Step 5: Solve for x
    x = 249,381,373,082.52/564,980.51
  6. Step 6: Final answer
    x = 441,398.19

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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.