Home / 672,160.34-927,289.81-400,075.67

Finding the Fourth Proportional to 672,160.34, 927,289.81 and 400,075.67

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Solution

The fourth proportional to 672,160.34, 927,289.81 and 400,075.67 is: 551,930.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,160.34 : 927,289.81 = 400,075.67 : x
  2. Step 2: Convert to fraction form
    672,160.34/927,289.81 = 400,075.67/x
  3. Step 3: Cross multiply
    672,160.34x = 927,289.81 × 400,075.67
  4. Step 4: Simplify right side
    672,160.34x = 370,986,092,019.92
  5. Step 5: Solve for x
    x = 370,986,092,019.92/672,160.34
  6. Step 6: Final answer
    x = 551,930.95

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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.