Home / 867,029.30-1,300,543.95-688,570.10

Finding the Fourth Proportional to 867,029.30, 1,300,543.95 and 688,570.10

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Solution

The fourth proportional to 867,029.30, 1,300,543.95 and 688,570.10 is: 1,032,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,029.30 : 1,300,543.95 = 688,570.10 : x
  2. Step 2: Convert to fraction form
    867,029.30/1,300,543.95 = 688,570.10/x
  3. Step 3: Cross multiply
    867,029.30x = 1,300,543.95 × 688,570.10
  4. Step 4: Simplify right side
    867,029.30x = 895,515,677,705.90
  5. Step 5: Solve for x
    x = 895,515,677,705.90/867,029.30
  6. Step 6: Final answer
    x = 1,032,855.15

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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.