Home / 987,017.10-1,362,087.95-534,308.10

Finding the Fourth Proportional to 987,017.10, 1,362,087.95 and 534,308.10

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Solution

The fourth proportional to 987,017.10, 1,362,087.95 and 534,308.10 is: 737,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,017.10 : 1,362,087.95 = 534,308.10 : x
  2. Step 2: Convert to fraction form
    987,017.10/1,362,087.95 = 534,308.10/x
  3. Step 3: Cross multiply
    987,017.10x = 1,362,087.95 × 534,308.10
  4. Step 4: Simplify right side
    987,017.10x = 727,774,621,925.86
  5. Step 5: Solve for x
    x = 727,774,621,925.86/987,017.10
  6. Step 6: Final answer
    x = 737,347.53

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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.