Home / 891,477.70-1,338,200.70-554,898.40

Finding the Fourth Proportional to 891,477.70, 1,338,200.70 and 554,898.40

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Solution

The fourth proportional to 891,477.70, 1,338,200.70 and 554,898.40 is: 832,960.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,477.70 : 1,338,200.70 = 554,898.40 : x
  2. Step 2: Convert to fraction form
    891,477.70/1,338,200.70 = 554,898.40/x
  3. Step 3: Cross multiply
    891,477.70x = 1,338,200.70 × 554,898.40
  4. Step 4: Simplify right side
    891,477.70x = 742,565,427,308.88
  5. Step 5: Solve for x
    x = 742,565,427,308.88/891,477.70
  6. Step 6: Final answer
    x = 832,960.18

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1.5x scale

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.