Home / 900,727.28-1,241,574.40-709,437.68

Finding the Fourth Proportional to 900,727.28, 1,241,574.40 and 709,437.68

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Solution

The fourth proportional to 900,727.28, 1,241,574.40 and 709,437.68 is: 977,898.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,727.28 : 1,241,574.40 = 709,437.68 : x
  2. Step 2: Convert to fraction form
    900,727.28/1,241,574.40 = 709,437.68/x
  3. Step 3: Cross multiply
    900,727.28x = 1,241,574.40 × 709,437.68
  4. Step 4: Simplify right side
    900,727.28x = 880,819,661,883.39
  5. Step 5: Solve for x
    x = 880,819,661,883.39/900,727.28
  6. Step 6: Final answer
    x = 977,898.28

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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.