Home / 766,277.60-1,147,448.10-607,501.40

Finding the Fourth Proportional to 766,277.60, 1,147,448.10 and 607,501.40

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Solution

The fourth proportional to 766,277.60, 1,147,448.10 and 607,501.40 is: 909,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,277.60 : 1,147,448.10 = 607,501.40 : x
  2. Step 2: Convert to fraction form
    766,277.60/1,147,448.10 = 607,501.40/x
  3. Step 3: Cross multiply
    766,277.60x = 1,147,448.10 × 607,501.40
  4. Step 4: Simplify right side
    766,277.60x = 697,076,327,177.34
  5. Step 5: Solve for x
    x = 697,076,327,177.34/766,277.60
  6. Step 6: Final answer
    x = 909,691.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.