Home / 882,985.80-1,323,117.90-657,287.40

Finding the Fourth Proportional to 882,985.80, 1,323,117.90 and 657,287.40

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Solution

The fourth proportional to 882,985.80, 1,323,117.90 and 657,287.40 is: 984,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,985.80 : 1,323,117.90 = 657,287.40 : x
  2. Step 2: Convert to fraction form
    882,985.80/1,323,117.90 = 657,287.40/x
  3. Step 3: Cross multiply
    882,985.80x = 1,323,117.90 × 657,287.40
  4. Step 4: Simplify right side
    882,985.80x = 869,668,724,384.46
  5. Step 5: Solve for x
    x = 869,668,724,384.46/882,985.80
  6. Step 6: Final answer
    x = 984,918.13

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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.