Home / 671,470.20-1,006,909.73-355,853.16

Finding the Fourth Proportional to 671,470.20, 1,006,909.73 and 355,853.16

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Solution

The fourth proportional to 671,470.20, 1,006,909.73 and 355,853.16 is: 533,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,470.20 : 1,006,909.73 = 355,853.16 : x
  2. Step 2: Convert to fraction form
    671,470.20/1,006,909.73 = 355,853.16/x
  3. Step 3: Cross multiply
    671,470.20x = 1,006,909.73 × 355,853.16
  4. Step 4: Simplify right side
    671,470.20x = 358,312,009,255.25
  5. Step 5: Solve for x
    x = 358,312,009,255.25/671,470.20
  6. Step 6: Final answer
    x = 533,623.10

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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.