Home / 507,456.07-700,280.88-278,011.22

Finding the Fourth Proportional to 507,456.07, 700,280.88 and 278,011.22

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Solution

The fourth proportional to 507,456.07, 700,280.88 and 278,011.22 is: 383,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,456.07 : 700,280.88 = 278,011.22 : x
  2. Step 2: Convert to fraction form
    507,456.07/700,280.88 = 278,011.22/x
  3. Step 3: Cross multiply
    507,456.07x = 700,280.88 × 278,011.22
  4. Step 4: Simplify right side
    507,456.07x = 194,685,937,247.53
  5. Step 5: Solve for x
    x = 194,685,937,247.53/507,456.07
  6. Step 6: Final answer
    x = 383,650.82

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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.