Home / 761,693.95-1,050,659.67-490,114.72

Finding the Fourth Proportional to 761,693.95, 1,050,659.67 and 490,114.72

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Solution

The fourth proportional to 761,693.95, 1,050,659.67 and 490,114.72 is: 676,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,693.95 : 1,050,659.67 = 490,114.72 : x
  2. Step 2: Convert to fraction form
    761,693.95/1,050,659.67 = 490,114.72/x
  3. Step 3: Cross multiply
    761,693.95x = 1,050,659.67 × 490,114.72
  4. Step 4: Simplify right side
    761,693.95x = 514,943,769,977.34
  5. Step 5: Solve for x
    x = 514,943,769,977.34/761,693.95
  6. Step 6: Final answer
    x = 676,050.76

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Double scale
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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.