Home / 571,929.02-789,259.63-317,280.21

Finding the Fourth Proportional to 571,929.02, 789,259.63 and 317,280.21

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Solution

The fourth proportional to 571,929.02, 789,259.63 and 317,280.21 is: 437,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,929.02 : 789,259.63 = 317,280.21 : x
  2. Step 2: Convert to fraction form
    571,929.02/789,259.63 = 317,280.21/x
  3. Step 3: Cross multiply
    571,929.02x = 789,259.63 × 317,280.21
  4. Step 4: Simplify right side
    571,929.02x = 250,416,461,150.92
  5. Step 5: Solve for x
    x = 250,416,461,150.92/571,929.02
  6. Step 6: Final answer
    x = 437,845.35

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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.