Home / 761,101.93-1,050,235.90-421,485.13

Finding the Fourth Proportional to 761,101.93, 1,050,235.90 and 421,485.13

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Solution

The fourth proportional to 761,101.93, 1,050,235.90 and 421,485.13 is: 581,602.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,101.93 : 1,050,235.90 = 421,485.13 : x
  2. Step 2: Convert to fraction form
    761,101.93/1,050,235.90 = 421,485.13/x
  3. Step 3: Cross multiply
    761,101.93x = 1,050,235.90 × 421,485.13
  4. Step 4: Simplify right side
    761,101.93x = 442,658,814,842.17
  5. Step 5: Solve for x
    x = 442,658,814,842.17/761,101.93
  6. Step 6: Final answer
    x = 581,602.54

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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.