Home / 900,725.76-1,241,572.32-709,436.16

Finding the Fourth Proportional to 900,725.76, 1,241,572.32 and 709,436.16

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Solution

The fourth proportional to 900,725.76, 1,241,572.32 and 709,436.16 is: 977,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,725.76 : 1,241,572.32 = 709,436.16 : x
  2. Step 2: Convert to fraction form
    900,725.76/1,241,572.32 = 709,436.16/x
  3. Step 3: Cross multiply
    900,725.76x = 1,241,572.32 × 709,436.16
  4. Step 4: Simplify right side
    900,725.76x = 880,816,299,063.09
  5. Step 5: Solve for x
    x = 880,816,299,063.09/900,725.76
  6. Step 6: Final answer
    x = 977,896.20

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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.