Home / 710,501.20-1,065,751.80-486,552.40

Finding the Fourth Proportional to 710,501.20, 1,065,751.80 and 486,552.40

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Solution

The fourth proportional to 710,501.20, 1,065,751.80 and 486,552.40 is: 729,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,501.20 : 1,065,751.80 = 486,552.40 : x
  2. Step 2: Convert to fraction form
    710,501.20/1,065,751.80 = 486,552.40/x
  3. Step 3: Cross multiply
    710,501.20x = 1,065,751.80 × 486,552.40
  4. Step 4: Simplify right side
    710,501.20x = 518,544,096,094.32
  5. Step 5: Solve for x
    x = 518,544,096,094.32/710,501.20
  6. Step 6: Final answer
    x = 729,828.60

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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.