Home / 709,870.60-1,064,280.70-335,456.20

Finding the Fourth Proportional to 709,870.60, 1,064,280.70 and 335,456.20

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Solution

The fourth proportional to 709,870.60, 1,064,280.70 and 335,456.20 is: 502,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,870.60 : 1,064,280.70 = 335,456.20 : x
  2. Step 2: Convert to fraction form
    709,870.60/1,064,280.70 = 335,456.20/x
  3. Step 3: Cross multiply
    709,870.60x = 1,064,280.70 × 335,456.20
  4. Step 4: Simplify right side
    709,870.60x = 357,019,559,355.34
  5. Step 5: Solve for x
    x = 357,019,559,355.34/709,870.60
  6. Step 6: Final answer
    x = 502,936.11

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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.