Home / 782,038.36-1,078,962.12-437,823.67

Finding the Fourth Proportional to 782,038.36, 1,078,962.12 and 437,823.67

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Solution

The fourth proportional to 782,038.36, 1,078,962.12 and 437,823.67 is: 604,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,038.36 : 1,078,962.12 = 437,823.67 : x
  2. Step 2: Convert to fraction form
    782,038.36/1,078,962.12 = 437,823.67/x
  3. Step 3: Cross multiply
    782,038.36x = 1,078,962.12 × 437,823.67
  4. Step 4: Simplify right side
    782,038.36x = 472,395,155,169.38
  5. Step 5: Solve for x
    x = 472,395,155,169.38/782,038.36
  6. Step 6: Final answer
    x = 604,056.24

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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.