Home / 877,565.80-1,316,348.70-522,980.20

Finding the Fourth Proportional to 877,565.80, 1,316,348.70 and 522,980.20

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Solution

The fourth proportional to 877,565.80, 1,316,348.70 and 522,980.20 is: 784,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,565.80 : 1,316,348.70 = 522,980.20 : x
  2. Step 2: Convert to fraction form
    877,565.80/1,316,348.70 = 522,980.20/x
  3. Step 3: Cross multiply
    877,565.80x = 1,316,348.70 × 522,980.20
  4. Step 4: Simplify right side
    877,565.80x = 688,424,306,395.74
  5. Step 5: Solve for x
    x = 688,424,306,395.74/877,565.80
  6. Step 6: Final answer
    x = 784,470.30

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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.