Home / 728,004.90-1,091,569.95-373,710.90

Finding the Fourth Proportional to 728,004.90, 1,091,569.95 and 373,710.90

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Solution

The fourth proportional to 728,004.90, 1,091,569.95 and 373,710.90 is: 560,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,004.90 : 1,091,569.95 = 373,710.90 : x
  2. Step 2: Convert to fraction form
    728,004.90/1,091,569.95 = 373,710.90/x
  3. Step 3: Cross multiply
    728,004.90x = 1,091,569.95 × 373,710.90
  4. Step 4: Simplify right side
    728,004.90x = 407,931,588,427.46
  5. Step 5: Solve for x
    x = 407,931,588,427.46/728,004.90
  6. Step 6: Final answer
    x = 560,341.82

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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.