Home / 916,038.40-1,373,668.80-442,868.80

Finding the Fourth Proportional to 916,038.40, 1,373,668.80 and 442,868.80

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Solution

The fourth proportional to 916,038.40, 1,373,668.80 and 442,868.80 is: 664,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,038.40 : 1,373,668.80 = 442,868.80 : x
  2. Step 2: Convert to fraction form
    916,038.40/1,373,668.80 = 442,868.80/x
  3. Step 3: Cross multiply
    916,038.40x = 1,373,668.80 × 442,868.80
  4. Step 4: Simplify right side
    916,038.40x = 608,355,053,053.44
  5. Step 5: Solve for x
    x = 608,355,053,053.44/916,038.40
  6. Step 6: Final answer
    x = 664,115.23

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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.