Home / 788,337.48-1,087,905.78-430,641.48

Finding the Fourth Proportional to 788,337.48, 1,087,905.78 and 430,641.48

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Solution

The fourth proportional to 788,337.48, 1,087,905.78 and 430,641.48 is: 594,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,337.48 : 1,087,905.78 = 430,641.48 : x
  2. Step 2: Convert to fraction form
    788,337.48/1,087,905.78 = 430,641.48/x
  3. Step 3: Cross multiply
    788,337.48x = 1,087,905.78 × 430,641.48
  4. Step 4: Simplify right side
    788,337.48x = 468,497,355,199.75
  5. Step 5: Solve for x
    x = 468,497,355,199.75/788,337.48
  6. Step 6: Final answer
    x = 594,285.27

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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.