Home / 709,547.20-1,064,320.80-626,603.20

Finding the Fourth Proportional to 709,547.20, 1,064,320.80 and 626,603.20

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Solution

The fourth proportional to 709,547.20, 1,064,320.80 and 626,603.20 is: 939,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,547.20 : 1,064,320.80 = 626,603.20 : x
  2. Step 2: Convert to fraction form
    709,547.20/1,064,320.80 = 626,603.20/x
  3. Step 3: Cross multiply
    709,547.20x = 1,064,320.80 × 626,603.20
  4. Step 4: Simplify right side
    709,547.20x = 666,906,819,106.56
  5. Step 5: Solve for x
    x = 666,906,819,106.56/709,547.20
  6. Step 6: Final answer
    x = 939,904.80

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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.