Home / 875,801.30-1,314,285.15-402,242.90

Finding the Fourth Proportional to 875,801.30, 1,314,285.15 and 402,242.90

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Solution

The fourth proportional to 875,801.30, 1,314,285.15 and 402,242.90 is: 603,632.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,801.30 : 1,314,285.15 = 402,242.90 : x
  2. Step 2: Convert to fraction form
    875,801.30/1,314,285.15 = 402,242.90/x
  3. Step 3: Cross multiply
    875,801.30x = 1,314,285.15 × 402,242.90
  4. Step 4: Simplify right side
    875,801.30x = 528,661,870,162.94
  5. Step 5: Solve for x
    x = 528,661,870,162.94/875,801.30
  6. Step 6: Final answer
    x = 603,632.21

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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.