Home / 710,014.40-1,064,632.80-288,814.40

Finding the Fourth Proportional to 710,014.40, 1,064,632.80 and 288,814.40

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Solution

The fourth proportional to 710,014.40, 1,064,632.80 and 288,814.40 is: 433,063.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,014.40 : 1,064,632.80 = 288,814.40 : x
  2. Step 2: Convert to fraction form
    710,014.40/1,064,632.80 = 288,814.40/x
  3. Step 3: Cross multiply
    710,014.40x = 1,064,632.80 × 288,814.40
  4. Step 4: Simplify right side
    710,014.40x = 307,481,283,352.32
  5. Step 5: Solve for x
    x = 307,481,283,352.32/710,014.40
  6. Step 6: Final answer
    x = 433,063.45

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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.