Home / 920,666.95-1,379,289.70-500,296.39

Finding the Fourth Proportional to 920,666.95, 1,379,289.70 and 500,296.39

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Solution

The fourth proportional to 920,666.95, 1,379,289.70 and 500,296.39 is: 749,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,666.95 : 1,379,289.70 = 500,296.39 : x
  2. Step 2: Convert to fraction form
    920,666.95/1,379,289.70 = 500,296.39/x
  3. Step 3: Cross multiply
    920,666.95x = 1,379,289.70 × 500,296.39
  4. Step 4: Simplify right side
    920,666.95x = 690,053,657,674.18
  5. Step 5: Solve for x
    x = 690,053,657,674.18/920,666.95
  6. Step 6: Final answer
    x = 749,514.97

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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.