Home / 791,254.74-1,091,931.80-428,681.10

Finding the Fourth Proportional to 791,254.74, 1,091,931.80 and 428,681.10

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Solution

The fourth proportional to 791,254.74, 1,091,931.80 and 428,681.10 is: 591,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,254.74 : 1,091,931.80 = 428,681.10 : x
  2. Step 2: Convert to fraction form
    791,254.74/1,091,931.80 = 428,681.10/x
  3. Step 3: Cross multiply
    791,254.74x = 1,091,931.80 × 428,681.10
  4. Step 4: Simplify right side
    791,254.74x = 468,090,523,005.57
  5. Step 5: Solve for x
    x = 468,090,523,005.57/791,254.74
  6. Step 6: Final answer
    x = 591,580.06

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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.