Home / 907,473.09-1,362,049.80-458,509.93

Finding the Fourth Proportional to 907,473.09, 1,362,049.80 and 458,509.93

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Solution

The fourth proportional to 907,473.09, 1,362,049.80 and 458,509.93 is: 688,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,473.09 : 1,362,049.80 = 458,509.93 : x
  2. Step 2: Convert to fraction form
    907,473.09/1,362,049.80 = 458,509.93/x
  3. Step 3: Cross multiply
    907,473.09x = 1,362,049.80 × 458,509.93
  4. Step 4: Simplify right side
    907,473.09x = 624,513,358,454.51
  5. Step 5: Solve for x
    x = 624,513,358,454.51/907,473.09
  6. Step 6: Final answer
    x = 688,189.40

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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.