Home / 779,373.76-1,075,420.46-473,290.96

Finding the Fourth Proportional to 779,373.76, 1,075,420.46 and 473,290.96

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Solution

The fourth proportional to 779,373.76, 1,075,420.46 and 473,290.96 is: 653,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,373.76 : 1,075,420.46 = 473,290.96 : x
  2. Step 2: Convert to fraction form
    779,373.76/1,075,420.46 = 473,290.96/x
  3. Step 3: Cross multiply
    779,373.76x = 1,075,420.46 × 473,290.96
  4. Step 4: Simplify right side
    779,373.76x = 508,986,781,917.04
  5. Step 5: Solve for x
    x = 508,986,781,917.04/779,373.76
  6. Step 6: Final answer
    x = 653,071.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.