Home / 983,123.58-1,356,841.08-553,488.24

Finding the Fourth Proportional to 983,123.58, 1,356,841.08 and 553,488.24

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Solution

The fourth proportional to 983,123.58, 1,356,841.08 and 553,488.24 is: 763,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,123.58 : 1,356,841.08 = 553,488.24 : x
  2. Step 2: Convert to fraction form
    983,123.58/1,356,841.08 = 553,488.24/x
  3. Step 3: Cross multiply
    983,123.58x = 1,356,841.08 × 553,488.24
  4. Step 4: Simplify right side
    983,123.58x = 750,995,581,328.90
  5. Step 5: Solve for x
    x = 750,995,581,328.90/983,123.58
  6. Step 6: Final answer
    x = 763,887.26

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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.