Home / 858,020.40-1,184,014.80-476,039.52

Finding the Fourth Proportional to 858,020.40, 1,184,014.80 and 476,039.52

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Solution

The fourth proportional to 858,020.40, 1,184,014.80 and 476,039.52 is: 656,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,020.40 : 1,184,014.80 = 476,039.52 : x
  2. Step 2: Convert to fraction form
    858,020.40/1,184,014.80 = 476,039.52/x
  3. Step 3: Cross multiply
    858,020.40x = 1,184,014.80 × 476,039.52
  4. Step 4: Simplify right side
    858,020.40x = 563,637,837,064.90
  5. Step 5: Solve for x
    x = 563,637,837,064.90/858,020.40
  6. Step 6: Final answer
    x = 656,904.94

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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.