Home / 874,914.40-1,207,381.62-472,506.40

Finding the Fourth Proportional to 874,914.40, 1,207,381.62 and 472,506.40

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Solution

The fourth proportional to 874,914.40, 1,207,381.62 and 472,506.40 is: 652,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,914.40 : 1,207,381.62 = 472,506.40 : x
  2. Step 2: Convert to fraction form
    874,914.40/1,207,381.62 = 472,506.40/x
  3. Step 3: Cross multiply
    874,914.40x = 1,207,381.62 × 472,506.40
  4. Step 4: Simplify right side
    874,914.40x = 570,495,542,692.37
  5. Step 5: Solve for x
    x = 570,495,542,692.37/874,914.40
  6. Step 6: Final answer
    x = 652,058.70

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1.5x scale

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.