Home / 761,120.30-1,050,347.30-416,948.69

Finding the Fourth Proportional to 761,120.30, 1,050,347.30 and 416,948.69

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Solution

The fourth proportional to 761,120.30, 1,050,347.30 and 416,948.69 is: 575,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,120.30 : 1,050,347.30 = 416,948.69 : x
  2. Step 2: Convert to fraction form
    761,120.30/1,050,347.30 = 416,948.69/x
  3. Step 3: Cross multiply
    761,120.30x = 1,050,347.30 × 416,948.69
  4. Step 4: Simplify right side
    761,120.30x = 437,940,931,321.16
  5. Step 5: Solve for x
    x = 437,940,931,321.16/761,120.30
  6. Step 6: Final answer
    x = 575,389.90

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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.