Home / 652,931.64-979,562.18-316,133.64

Finding the Fourth Proportional to 652,931.64, 979,562.18 and 316,133.64

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Solution

The fourth proportional to 652,931.64, 979,562.18 and 316,133.64 is: 474,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,931.64 : 979,562.18 = 316,133.64 : x
  2. Step 2: Convert to fraction form
    652,931.64/979,562.18 = 316,133.64/x
  3. Step 3: Cross multiply
    652,931.64x = 979,562.18 × 316,133.64
  4. Step 4: Simplify right side
    652,931.64x = 309,672,557,569.74
  5. Step 5: Solve for x
    x = 309,672,557,569.74/652,931.64
  6. Step 6: Final answer
    x = 474,280.21

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1.5x scale

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.