Home / 875,622.80-1,314,017.40-402,064.40

Finding the Fourth Proportional to 875,622.80, 1,314,017.40 and 402,064.40

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Solution

The fourth proportional to 875,622.80, 1,314,017.40 and 402,064.40 is: 603,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,622.80 : 1,314,017.40 = 402,064.40 : x
  2. Step 2: Convert to fraction form
    875,622.80/1,314,017.40 = 402,064.40/x
  3. Step 3: Cross multiply
    875,622.80x = 1,314,017.40 × 402,064.40
  4. Step 4: Simplify right side
    875,622.80x = 528,319,617,520.56
  5. Step 5: Solve for x
    x = 528,319,617,520.56/875,622.80
  6. Step 6: Final answer
    x = 603,364.39

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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.