Home / 987,017.85-1,362,088.98-534,308.85

Finding the Fourth Proportional to 987,017.85, 1,362,088.98 and 534,308.85

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Solution

The fourth proportional to 987,017.85, 1,362,088.98 and 534,308.85 is: 737,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,017.85 : 1,362,088.98 = 534,308.85 : x
  2. Step 2: Convert to fraction form
    987,017.85/1,362,088.98 = 534,308.85/x
  3. Step 3: Cross multiply
    987,017.85x = 1,362,088.98 × 534,308.85
  4. Step 4: Simplify right side
    987,017.85x = 727,776,196,501.47
  5. Step 5: Solve for x
    x = 727,776,196,501.47/987,017.85
  6. Step 6: Final answer
    x = 737,348.57

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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.