Home / 874,661.60-1,312,510.80-575,998.40

Finding the Fourth Proportional to 874,661.60, 1,312,510.80 and 575,998.40

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Solution

The fourth proportional to 874,661.60, 1,312,510.80 and 575,998.40 is: 864,338.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,661.60 : 1,312,510.80 = 575,998.40 : x
  2. Step 2: Convert to fraction form
    874,661.60/1,312,510.80 = 575,998.40/x
  3. Step 3: Cross multiply
    874,661.60x = 1,312,510.80 × 575,998.40
  4. Step 4: Simplify right side
    874,661.60x = 756,004,120,782.72
  5. Step 5: Solve for x
    x = 756,004,120,782.72/874,661.60
  6. Step 6: Final answer
    x = 864,338.99

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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.