Home / 977,794.55-1,349,332.40-542,209.49

Finding the Fourth Proportional to 977,794.55, 1,349,332.40 and 542,209.49

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Solution

The fourth proportional to 977,794.55, 1,349,332.40 and 542,209.49 is: 748,235.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,794.55 : 1,349,332.40 = 542,209.49 : x
  2. Step 2: Convert to fraction form
    977,794.55/1,349,332.40 = 542,209.49/x
  3. Step 3: Cross multiply
    977,794.55x = 1,349,332.40 × 542,209.49
  4. Step 4: Simplify right side
    977,794.55x = 731,620,829,733.43
  5. Step 5: Solve for x
    x = 731,620,829,733.43/977,794.55
  6. Step 6: Final answer
    x = 748,235.74

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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.