Home / 710,179.40-1,065,269.10-645,897.80

Finding the Fourth Proportional to 710,179.40, 1,065,269.10 and 645,897.80

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Solution

The fourth proportional to 710,179.40, 1,065,269.10 and 645,897.80 is: 968,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,179.40 : 1,065,269.10 = 645,897.80 : x
  2. Step 2: Convert to fraction form
    710,179.40/1,065,269.10 = 645,897.80/x
  3. Step 3: Cross multiply
    710,179.40x = 1,065,269.10 × 645,897.80
  4. Step 4: Simplify right side
    710,179.40x = 688,054,968,097.98
  5. Step 5: Solve for x
    x = 688,054,968,097.98/710,179.40
  6. Step 6: Final answer
    x = 968,846.70

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1.5x scale

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.